Caramelized Acorn Squash Slices

Easy & Healthy Roasted Acorn Squash Slices: Your Perfect Seasonal Side Dish

Roasted Acorn Squash Slices offer an incredibly simple, delightfully healthy, and profoundly flavorful side dish that comes together with just three core ingredients. Its minimal preparation and quick cooking time make it an ideal choice for a busy weeknight meal, while its vibrant color and rich, sweet taste ensure it’s fancy enough to impress at any dinner party or holiday gathering.

Healthy Roasted Acorn Squash on a Yellow Plate - A perfect side dish for any occasion.
Beautifully roasted acorn squash slices, golden and tender, served as an inviting side.

Acorn squash, a beloved member of the winter squash family, is celebrated for its distinctive ridged exterior and deeply flavorful, slightly sweet, and nutty flesh. Roasting is truly the pinnacle method for cooking this vegetable, as the high heat caramelizes its natural sugars, intensifying its inherent deliciousness and yielding a tender, almost creamy interior with beautifully browned, savory edges. This recipe enhances those sweet notes with a touch of warming pumpkin pie spice, transforming a simple vegetable into a dish that’s both comforting and elegant. It’s a testament to how effortlessly wholesome ingredients can create truly memorable flavors.

I eagerly await winter squash season every year, and these roasted acorn squash slices are always at the top of my list! They’re absolutely magnificent for any dinner, and I particularly love adding them to my vibrant grain bowls for a nourishing lunch. Thank you for sharing such a wonderful and versatile recipe, Chef Lindsey! ⭐⭐⭐⭐⭐

Mara, a delighted home cook

As the days grow shorter and a chill fills the air, fresh acorn squashes begin to grace market stalls, signaling the arrival of peak winter squash season. It’s during this time, when their flavor is at its richest, that I make these roasted acorn squash slices at least once a week. The magic happens in the oven: roasting concentrates the squash’s naturally sweet flavor, creating a depth that boiling or steaming simply can’t achieve. A sprinkle of my special pumpkin pie spice—a blend that harmonizes beautifully with savory dishes as well as sweet—perfectly highlights those autumnal notes, making this the quintessential winter side dish.

The beauty of these spiced acorn squash slices lies not only in their ease and flavor but also in their incredible versatility. They pair seamlessly with a diverse range of main courses. Imagine them served alongside tender grilled rosemary chicken, adding a subtle sweetness to rich smoked duck, or perfectly balancing the bold flavors of spicy peach pork chops! The combination of sweet, savory, and aromatic spices creates a harmonious meal every time.

One of the key techniques in this recipe is slicing the squash into rings rather than roasting halves. This method offers several distinct advantages. Firstly, it significantly increases the surface area exposed to the high oven heat, leading to more desirable browning and caramelization, which translates into richer flavor in every bite. Secondly, this means the squash cooks much faster than traditional baked acorn squash halves, a true boon for busy weeknights! The flexibility to cook these slices at any temperature between 350°F and 425°F means you can easily integrate them into a meal where other components require different heat settings, simplifying your cooking process. They’re also perfect for meal prepping; roast a large batch and use them throughout the week. They make a fantastic addition to Spaghetti Squash Lasagna or simply as a base for a nutritious roasted squash salad, or a healthy side for packed lunches. I always make extra, ensuring delicious, wholesome options are readily available.

Table of Contents

  • How to Choose and Store Acorn Squash
  • Can You Eat Acorn Squash Seeds?
  • Essential Ingredients for Roasted Acorn Squash
  • Easy Substitutions and Variations
  • Frequently Asked Questions About Acorn Squash
  • What to Serve with Roasted Acorn Squash Slices?
  • Chef Lindsey’s Pro Tips for Perfect Roasted Acorn Squash
  • Roasted Acorn Squash Slices Recipe
  • Explore More Delicious Recipes!

How to Choose and Store Acorn Squash

Selecting the right acorn squash is the first step towards a truly exceptional roasted dish. When you’re at the market, look for squash that are uniformly dark green, firm to the touch, and feel notably heavy for their size. These characteristics indicate a mature, ripe squash with well-developed sugars and a good internal moisture content. Steer clear of any squash that display soft spots, visible cracks, bruises, or a dull, faded color, as these are signs of spoilage or immaturity. In my experience, smaller acorn squashes often possess a more concentrated sweetness and a finer texture, so I tend to gravitate towards those. If you plan on roasting multiple squashes, aim to pick ones that are similar in size. This thoughtful selection ensures that all your slices will cook evenly and reach the perfect tender-crisp texture simultaneously.

Once you’ve brought your carefully chosen acorn squash home, proper storage will help extend its shelf life. Whole, uncut acorn squash should be stored in a cool, dry place, away from direct sunlight. A pantry, a cool cellar, or even a countertop in a cooler room is ideal. Under these conditions, a whole acorn squash can remain fresh for several weeks, and sometimes even up to one or two months. However, once you’ve cut into it, the squash’s shelf life significantly reduces. Any unused portions should be tightly wrapped in plastic wrap or placed in an airtight container and refrigerated. It’s best to use these refrigerated pieces within 2-3 days to enjoy them at their peak freshness and flavor. Planning ahead for your meal prep can make the most of your freshly cut squash.

Healthy Roasted Acorn Squash with a white background, highlighting its natural beauty.
A fresh, vibrant acorn squash, perfectly firm and ready to be transformed.

Can You Eat Acorn Squash Seeds?

A resounding yes! Just like their more famous cousins, pumpkin seeds, acorn squash seeds are not only completely edible but also make for an incredibly delicious and nutritious snack when roasted. It’s a wonderful way to utilize the entire vegetable and reduce food waste. These tiny powerhouses are packed with dietary fiber, healthy fats (including omega-3s), and various micronutrients like magnesium, zinc, and antioxidants, making them a beneficial addition to your diet. Their satisfying crunch and slightly nutty flavor are truly addictive!

To prepare acorn squash seeds for roasting, simply follow these steps: First, carefully separate the seeds from the stringy pulp. This can be a bit messy, but a quick rinse under cold running water in a colander can help dislodge any stubborn fibers. Once clean, pat the seeds thoroughly dry with a paper towel. This crucial step prevents them from steaming in the oven and ensures they get perfectly crispy. Next, toss the dried seeds with just a little bit of extra virgin olive oil, a pinch of salt, and a dash of freshly ground black pepper. Feel free to experiment with other seasonings too, such as garlic powder, smoked paprika, or a sprinkle of chili flakes for a spicy kick. Spread the seasoned seeds in a single layer on a baking sheet, ensuring they are not overcrowded, which would prevent even roasting. Roast them in a preheated 350°F (175°C) oven for about 10-15 minutes, stirring once or twice, until they turn golden brown and become delightfully crisp. Be sure to keep a close eye on them towards the end of the cooking time, as they can go from perfectly toasted to burnt very quickly. Once cooled, enjoy these roasted seeds on their own, sprinkle them over salads for added crunch, or mix them into homemade granola or trail mixes for a boost of nutrients and flavor.

Essential Ingredients for Roasted Acorn Squash

The beauty of this roasted acorn squash recipe lies in its elegant simplicity, relying on just a few high-quality ingredients to bring forth a truly spectacular flavor. Each component plays a vital role in creating the perfect balance of taste and texture:

  • Acorn Squash: The undisputed star of our dish. As detailed earlier, selecting a firm, heavy, and ideally smaller squash will yield the sweetest and most tender results. Its unique shape and robust outer skin protect a vibrant, buttery, orange-yellow flesh that, when subjected to the high heat of roasting, transforms into a meltingly tender and naturally sweet delight. When preparing multiple squash, aiming for similar sizes ensures consistent cooking and texture across your entire batch, avoiding undercooked or overcooked pieces.
  • Kosher Salt: Far more than a mere seasoning, kosher salt is a foundational flavor enhancer in this recipe. Its coarse crystals not only heighten the squash’s inherent sweetness and savory notes but also aid in tenderizing the vegetable as it cooks, drawing out moisture and facilitating caramelization. Its larger granule size allows for better adherence and a more controlled, even seasoning compared to fine table salt. While you can adjust the quantity to your preference, omitting it entirely would be a disservice to the dish. I recommend using at least ½ teaspoon to unlock the full depth of flavor in the squash.
  • Pumpkin Pie Spice Mix: This aromatic blend is my secret weapon, not just for traditional sweet treats, but for bringing a warm, inviting complexity to savory dishes like this one. My homemade pumpkin pie spice mix recipe is meticulously balanced to complement and amplify the natural sugars in the acorn squash without making the dish overtly sweet or dessert-like. It typically features a harmonious combination of ground cinnamon, nutmeg, ginger, and cloves, which evoke the comforting essence of autumn. Beyond this roasted squash, it’s also wonderfully versatile, elevating everything from baked goods like biscotti and cookies to a simple bowl of morning oatmeal.
  • Extra Virgin Olive Oil: Chosen specifically for its delicate, fruity flavor profile and impressive nutritional benefits, extra virgin olive oil represents the highest quality of olive oils. It undergoes the least amount of processing, which means it retains more of its potent antioxidants, heart-healthy monounsaturated fats, and vibrant taste. In this recipe, the olive oil plays a dual role: it helps achieve that desirable golden-brown caramelization on the exterior of the squash slices while simultaneously ensuring the interior remains moist, tender, and succulent. Its gentle flavor complements the subtle sweetness of the acorn squash without overwhelming it.

Easy Substitutions and Variations

While this recipe for roasted acorn squash slices is perfected to deliver exceptional flavor and ease, it’s also wonderfully flexible. Feel free to adapt it to your pantry, dietary needs, or simply to explore new flavor dimensions with these simple and effective substitutions:

  • Spice Alternatives for Pumpkin Pie Spice: If the full pumpkin pie spice blend isn’t quite what you’re craving, or if you simply don’t have it on hand, there are numerous delicious alternatives. A classic choice is apple pie spice, which offers a very similar warm, inviting profile. For a simpler approach, a generous sprinkle of ground cinnamon alone will beautifully enhance the squash’s natural sweetness. A fresh grating of nutmeg provides a warm, slightly musky aromatic note that complements winter squash perfectly. For those who prefer a more savory or spicy profile, consider experimenting with a pinch of smoked paprika for depth, a dash of cayenne pepper for heat, or even a blend of garlic powder and dried herbs like thyme or sage.
  • Salt Options: The importance of salt in elevating all the other flavors cannot be overstated. If kosher salt is unavailable, fine sea salt or regular table salt can be used, but with a slight adjustment in quantity. Because fine salts are denser, you’ll typically need about half the amount compared to kosher salt for the same level of salinity. Always start with a smaller amount and taste before adding more. The aim is to brighten and round out the squash’s flavors, not to make it overtly salty.
  • Other Winter Squashes: This robust roasting method is remarkably versatile and can be applied successfully to other varieties of hard winter squash. For a slightly different but equally delicious experience, try this recipe with butternut squash. Its creamy texture and sweet, nutty flavor make it an excellent alternative, offering an easier preparation than my more elaborate roasted spiced butternut squash recipe. Kabocha squash, with its dense, earthy, and exceptionally sweet flesh, is also phenomenal when roasted in thin slices using this technique. Don’t hesitate to pick up extra squash when they’re in season; they store well and are ideal for meal prep. A larger batch of roasted squash, regardless of variety, can be easily incorporated into other dishes, like a hearty Vegan Chili, providing another simple and satisfying weeknight meal option.
Healthy Roasted Acorn Squash Baked with spices on a baking sheet, ready for the oven.
Perfectly seasoned acorn squash slices spread on a baking sheet, glistening with oil and spices.

Frequently Asked Questions About Acorn Squash

How do you store roasted acorn squash slices?

To ensure your roasted acorn squash slices remain delicious and fresh, it’s crucial to store them correctly. First, allow the slices to cool completely at room temperature after baking. Once cooled, transfer them into a clean, sealed, and airtight container. Place this container in the refrigerator. Proper storage in an airtight container prevents them from drying out and absorbing odors from other foods, keeping them tasty for several days.

How long will roasted acorn squash keep?

When refrigerated in a sealed, airtight container, roasted acorn squash slices will typically maintain their quality and freshness for up to one week. If you’re looking for longer storage, they can be frozen for up to one month. To freeze effectively, arrange the cooled slices in a single layer on a baking sheet and flash freeze them until solid. This prevents them from sticking together. Once frozen, transfer the solid slices into a freezer-safe bag or container, removing as much air as possible to prevent freezer burn. The quicker the squash is cooled after baking and stored properly, the longer its optimal freshness will be preserved.

Can I roast acorn squash ahead of time?

Absolutely! Roasting acorn squash slices ahead of time is a fantastic strategy for meal planning, entertaining, or simply making weeknight dinners less stressful. While I personally believe the peak flavor and slightly crisp texture are best achieved when served immediately after roasting, the leftovers are incredibly versatile and remain wonderfully delicious. I frequently roast a larger batch than needed, using the extra slices to elevate salads, enrich grain bowls, or as a quick, healthy side for packed lunches the following day. If you’re preparing for a special occasion, you can roast them a few hours in advance and gently reheat them in a warm oven (around 300°F/150°C) until heated through just before serving to restore some of their warmth and tenderness.

Can you eat the skin on acorn squash?

Yes, you can absolutely eat the skin on acorn squash! This is a common question, and I’m happy to confirm that it’s not only edible but also softens significantly during the roasting process, becoming tender and easily chewable. Many people find that the skin’s flavor is quite mild, almost imperceptible, blending seamlessly with the sweet, earthy flesh. This means less prep work for you, as there’s no need for the often-cumbersome task of peeling the squash beforehand. Just be sure to thoroughly wash the exterior of the squash under running water before slicing and roasting to remove any dirt or residues. After baking, the tender skin generally cuts effortlessly with a fork, or if you still prefer to avoid it, the succulent flesh scoops out very easily with a spoon.

What are the health benefits of acorn squash?

Acorn squash is truly a nutritional powerhouse and a wonderful addition to any healthy diet. It is an excellent source of dietary fiber, which is crucial for digestive health, helps regulate blood sugar levels, and promotes a feeling of fullness, aiding in weight management. This vibrant winter squash is also rich in essential vitamins, notably Vitamin C, a powerful antioxidant vital for immune system support and skin health, and various B vitamins, important for energy metabolism. Furthermore, acorn squash provides significant amounts of beneficial minerals such as potassium, which is key for maintaining healthy blood pressure and fluid balance, as well as magnesium and manganese. Its characteristic orange hue indicates the presence of beneficial carotenoids, like beta-carotene, which the body converts into Vitamin A, supporting vision and immune function. Enjoying roasted acorn squash is not only a delicious culinary experience but also a fantastic way to nourish your body.

What to Serve with Roasted Acorn Squash Slices?

The warm, subtly sweet, and aromatically spiced profile of these roasted acorn squash slices makes them an incredibly versatile and harmonious accompaniment to a vast array of main courses. Their ability to bridge the gap between sweet and savory flavors means they can elevate almost any meal. Here are some inspired pairing suggestions to help you create a complete and satisfying dining experience:

  • Pork Dishes: The inherent sweetness of roasted acorn squash offers a phenomenal counterpoint to the richness of pork. For an unforgettable culinary experience, try serving them alongside my flavorful spicy peach pork chops, where the sweet-and-heat dynamic is truly a delight. They’re also superb with a simpler pan-seared pork loin, pork tenderloin, or even slow-cooked pork shoulder.
  • Chicken & Poultry: Roasted chicken is a timeless partner for acorn squash. The squash’s comforting flavors meld perfectly with my savory rosemary roasted chicken or a classic, juicy whole roasted chicken. For an unexpected twist that will genuinely “blow your mind,” serve your roasted squash slices with a generous dollop of my best apple butter. The sweet-tartness of the apple butter creates an incredible flavor synergy with the spiced squash that is simply irresistible. This pairing also works wonderfully with roasted turkey.
  • Other Meats: Beyond chicken and pork, these versatile slices make a fantastic side for a variety of other proteins. Consider them with perfectly seared steak, succulent lamb chops, or even richer game meats like duck or venison. Their earthy sweetness provides a beautiful contrast to the savory depth of these main courses.
  • Vegetarian & Vegan Mains: For a plant-based feast, roasted acorn squash slices can be a star. Pair them with a hearty lentil loaf, a rich mushroom ragu served over pasta or polenta, or alongside a robust quinoa and black bean burger. They also make a superb and festive addition to a vegetarian holiday roast or a simple grain bowl with roasted chickpeas.
  • Grains & Starches: To round out your meal and add another layer of texture and nutrition, consider serving the squash with a light and fluffy side. Options include my easy quinoa pilaf, wholesome brown rice, wild rice, or classic creamy mashed potatoes. The combination of varied textures and flavors creates a well-balanced and deeply satisfying plate that will please everyone at the table.
Brown Sugar Baked Acorn Squash Overhead, beautifully presented with a meal.
A delicious complete meal featuring roasted acorn squash as the star side dish.

Chef Lindsey’s Pro Tips for Perfect Roasted Acorn Squash

Achieving perfectly roasted acorn squash slices—tender on the inside, beautifully caramelized on the outside, and bursting with flavor—is surprisingly easy with a few expert techniques. Here are my top tips to ensure your squash turns out flawless every time:

  1. Safe and Easy Slicing: The unique ridges and tough skin of acorn squash can make it a challenge to slice. For maximum safety and ease, start by carefully slicing off both the top and bottom ends of the squash. This creates two flat, stable surfaces. Then, place the squash cut-side down on your sturdy cutting board. This stable base prevents any wobbling or rolling while you work. Using a sharp, heavy chef’s knife, slice the squash into thin rounds, aiming for approximately 1 cm (about ½ inch) in thickness. A helpful trick is to gently hold the already-cut slices together as you continue to slice across the squash; think of it like creating an arched doorway where each piece supports the next. This technique offers stability and helps ensure all your slices are uniform.
  2. Optimal Seasoning Application: While simply drizzling oil and sprinkling spices over the squash directly on the baking sheet works, for the most thorough and even coating, I recommend tossing the squash slices in a large mixing bowl first. This ensures every single piece is beautifully coated in oil and spices, leading to a more consistent flavor and better caramelization across the batch before they even hit the hot pan.
  3. Avoid Overcrowding Your Pan: This tip is crucial for truly roasted, not steamed, squash. For optimal browning, caramelization, and a desirable tender-crisp texture, arrange your acorn squash slices in a single layer on the baking sheet, ensuring there’s a little space between each piece. If your pan is too crowded, the squash will release moisture and essentially steam rather than roast, resulting in a soggy texture and less intense flavor. If necessary, use two baking sheets to give the slices adequate room.
  4. High Heat for Best Results: Don’t be shy with your oven temperature! Roasting at a higher heat, typically between 375°F (190°C) and 425°F (220°C), is key to achieving that desirable caramelization on the exterior and a wonderfully tender interior. This high heat coaxes out the squash’s natural sugars, creating a deeper, more complex flavor profile. Adjust the temperature based on what else you might be cooking in the oven, as this recipe is quite forgiving.
  5. Parchment Paper is Your Best Friend: For effortless cleanup and to guarantee your precious squash slices don’t stick to the baking sheet (especially as those delicious sugars caramelize), always line your baking sheet with parchment paper. This simple step saves you time and frustration after the meal.

If you tried this delicious recipe and loved it, please take a moment to leave a 🌟 star rating and share your experience in the comments section below. I genuinely love hearing from you; your feedback truly brightens my day and helps other home cooks discover this wonderful dish!

Healthy Roasted Acorn Squash Delicious Overhead - Chef Lindsey Farr

⭐⭐⭐⭐⭐

5 from 2 ratings

Roasted Acorn Squash Slices

by
Chef Lindsey
These incredibly easy and healthy Roasted Acorn Squash Slices are the perfect side dish, made with just 3 simple ingredients. They are fast enough for a busy weeknight meal but elegant enough to serve at any dinner party.
Prep Time:
5
Cook Time:
15
Total Time:
20
Yields:
12 slices

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Ingredients (US Customary)

  • 1 Acorn Squash
  • ¼ teaspoon Kosher salt or more to taste
  • 2 pinches Pumpkin Pie Spice
  • 2 teaspoons Extra Virgin Olive Oil

Instructions

  • Preheat your oven to 350°F (175°C) for a regular oven setting, or use the convection setting if available for faster, more even cooking. This recipe is quite flexible, so the squash can cook beautifully at any temperature between 350°F and 425°F (175°C – 220°C). This allows you to easily coordinate its cooking time with other dishes you might be preparing simultaneously. To prepare your baking surface, line 1-2 baking sheets with parchment paper. This step is essential for preventing the squash from sticking as its natural sugars caramelize, and it ensures a much easier cleanup later.

Prepare the Acorn Squash:

  • On a sturdy and stable cutting board, carefully slice off both the very top and bottom ends of the acorn squash. This crucial step creates flat, stable surfaces on both ends, which will prevent the squash from rolling and make the subsequent slicing much safer and easier.
  • Place the squash cut-side down on the cutting board. Using a sharp, sturdy chef’s knife, carefully slice the squash in half lengthwise, from the top flat surface to the bottom flat surface. This action will split the squash open, fully exposing the seeds and the stringy pulp within.
  • With a spoon, scoop out all the seeds and any fibrous, stringy bits from the hollow cavity of both squash halves. You have the option to set these seeds aside if you wish to roast them later for a delicious and nutritious snack, or you can simply discard them.
  • Now, turn each squash half center-side down on your cutting board once more. This again provides a flat, stable base, which is essential for safe and even slicing. Starting from one end, carefully slice the squash into thin, uniform rounds, aiming for a thickness of about 1 cm (approximately ½ inch). For added safety and precision, I like to gently hold the already-cut slices together as I continue to work my way across the entire squash, much like supporting an arched doorway. This technique helps maintain stability and ensures all your slices are consistently sized.
  • You can either season the squash slices directly on the baking sheet for convenience, or for a more thorough and even coating, toss them in a large mixing bowl with the oil and seasonings. Once seasoned, arrange the squash slices in a single layer on your prepared baking sheets. It’s crucial to leave a little space between each piece to allow for proper air circulation. This space is vital for promoting even cooking and achieving that beautiful golden-brown caramelization, rather than steaming the squash. If necessary, use two baking sheets to avoid overcrowding.
  • Evenly drizzle all of the extra virgin olive oil over the arranged squash slices. Then, sprinkle half of the kosher salt and half of the pumpkin pie spice evenly over them. Carefully flip each squash slice to the other side and repeat the seasoning process with the remaining salt and spices. I typically find that I don’t need to add more oil to this second side, but you are welcome to do so if you prefer a richer flavor or texture.
  • Bake the seasoned squash slices in the preheated oven for approximately 15-25 minutes. The squash is perfectly cooked when it becomes wonderfully tender and can be easily pierced with the tip of a fork, a small paring knife, or a cake tester. It should also have developed lovely caramelized edges. Please note that the exact baking time can vary significantly based on several factors, including the precise thickness of your acorn squash slices, the material and color of your baking sheet (darker pans cook faster), the accuracy of your oven’s temperature, and even the specific rack position within the oven. Keep a watchful eye on them to achieve your desired level of tenderness and caramelization.
  • Serve your beautifully roasted acorn squash slices immediately, offering them with or without the skin, based on preference. The skin of acorn squash becomes quite soft and tender during the baking process, making it perfectly edible and adding a subtle texture without any discernible strong flavor. In fact, it provides a little extra dietary fiber. If you prefer to remove the skin, the baked flesh is very easy to scoop out with a spoon, or you can simply eat around it. Enjoy this simple, healthy, and incredibly flavorful side dish – a true taste of the season!

Recipe Video Tutorial

Nutrition Information (per serving)

Calories: 21kcal | Carbohydrates: 4g | Protein: 0.3g | Fat: 1g | Saturated Fat: 0.1g | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.5g | Sodium: 50mg | Potassium: 126mg | Fiber: 1g | Sugar: 0.01g | Vitamin A: 132IU | Vitamin C: 4mg | Calcium: 13mg | Iron: 0.3mg
Course: Side Dish
Cuisine: American
Calories: 21




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Explore More Delicious Recipes!

If you thoroughly enjoyed the straightforward goodness and incredible flavor of these Roasted Acorn Squash Slices, I warmly invite you to delve deeper into my collection of chef-developed recipes. My goal is to make healthy, flavorful, and accessible cooking a joyful experience for everyone in their own kitchens. Be sure to browse our extensive section of Side Dishes for more inspiring accompaniments that will perfectly complement any meal. Or, if you’re on the hunt for your next show-stopping main course that promises comfort and deliciousness, you might consider trying my heartwarming Baked Pork Chops with Cream of Mushroom Soup. There’s always something new, exciting, and wonderfully delicious waiting for you to discover and create!