Prepare to fall in love with these incredibly easy Peanut Butter M&M Cookies. They are perfectly thick, wonderfully soft, and generously studded with colorful chocolate candies, creating that irresistible salty-sweet balance everyone craves. If you’re a true peanut butter enthusiast, these cookies are guaranteed to deliver everything you desire in a homemade treat and more.
Craving a different texture? You might also enjoy our recipe for crispy M&M cookies!
Table of Contents
- Why You’ll Adore This Recipe
- The Essential Ingredients
- Step-by-Step Guide: How to Make Peanut Butter M&M Cookies
- Serving Suggestions
- Storage & Freezing Tips
- Expert Baking Tips for Perfect Cookies
- Frequently Asked Questions (FAQs)
- Explore More Cookie Recipes
- Peanut Butter M&M Cookies Recipe Card
Why You’ll Adore This Recipe
It’s hard to imagine anything better than a dessert that perfectly marries the rich, creamy flavor of peanut butter with the sweet indulgence of chocolate. These cookies capture that quintessential Reese’s cup experience, but in a homemade, thick, and wonderfully soft cookie form, enhanced by the satisfying crisp bite of M&M candy shells throughout.
Forget your traditional peanut butter blossom cookies with a single chocolate kiss placed in the center. While delightful, these Peanut Butter M&M Cookies offer a superior chocolate experience. Why? Because the M&Ms are generously mixed throughout the dough, ensuring a burst of chocolate in every single bite. No more searching for that lone chocolate piece – it’s integrated into the very fabric of the cookie.
Furthermore, these are exquisite peanut butter cookies without the hassle of making fork marks. While the iconic crisscross pattern on peanut butter cookies is often believed to help flatten the naturally thicker dough for more even baking, we have a smarter approach. We reserve some M&Ms to press gently onto the tops of the cookie dough balls before baking. This not only creates a beautiful, colorful decoration but also serves the practical purpose of slightly flattening the dough, promoting consistent baking without sacrificing moisture or texture. It’s a win-win for both aesthetics and deliciousness.
Beyond their incredible flavor and texture, you’ll love how straightforward this recipe is. With clear steps and common ingredients, even novice bakers can achieve impressive results. They’re also incredibly versatile, perfect for everyday treats, special occasions, or sharing with friends and family. The slight chill time is truly worth it for cookies that hold their shape and deliver on chewiness.
The Essential Ingredients
Here’s a detailed look at what you’ll need to create these irresistible cookies:
- All-Purpose Flour: The foundational structure of most cookies. Using all-purpose flour provides the perfect balance for a tender crumb.
- Baking Soda: This leavening agent is crucial for giving the cookies their desired rise and contributing to their signature thick, soft, and chewy texture. Don’t skip it!
- Salt: Even in sweet recipes, salt plays a vital role. Just a half teaspoon enhances and balances the flavors of all the ingredients, especially the rich peanut butter and sweet chocolate, preventing the cookies from tasting overly sugary.
- Unsalted Butter: My go-to for baking. Using unsalted butter allows you to control the overall salt content in the recipe. It’s essential that your butter is softened to room temperature. This means it should be pliable enough to easily make an indentation with your finger, but still slightly cool to the touch – not melted or greasy. If you forget to take it out in advance, a quick trick is to grate the cold butter using the large holes of a box grater; the smaller pieces will soften much faster.
- Natural Creamy Peanut Butter: For the best results, opt for natural creamy peanut butter. It lends a richer, more authentic peanut flavor and contributes significantly to the cookie’s soft and chewy texture. Remember to give the jar a really good stir before measuring, especially if the oil has separated, to ensure consistent texture and flavor.
- Light Brown Sugar: This ingredient adds moisture and a wonderful chewiness to the cookies, thanks to its molasses content. We specifically recommend light brown sugar because its milder molasses flavor complements the peanuts and chocolate without overpowering them. Dark brown sugar’s more intense molasses notes might compete too much with the star flavors.
- Granulated Sugar: Paired with brown sugar, granulated sugar contributes to the cookie’s spread and helps create those slightly crispy edges that contrast beautifully with the soft interior. The combination of half brown sugar and half granulated sugar is key to achieving that perfect thick, soft, and chewy cookie texture.
- Large Egg: A single large egg acts as a binder, helping to hold the ingredients together and providing structure and richness to the dough. Ensure it’s at room temperature for better emulsification with the other ingredients.
- Vanilla Extract: While subtle, a touch of vanilla extract rounds out the flavors and adds a hint of warmth and complexity that elevates the overall taste of the cookies.
- M&Ms: The star attraction! You’ll need a generous 1½ cups of these iconic chocolate candies. One cup will be mixed directly into the dough, while the remaining ½ cup is saved to press into the tops of the cookie dough balls before baking. This ensures every cookie is visually appealing and packed with chocolatey goodness.
Step-by-Step Guide: How to Make Peanut Butter M&M Cookies
Making these delightful peanut butter M&M cookies is a straightforward process, but a few key techniques ensure perfect results every time. Follow these steps for thick, chewy, and irresistibly colorful cookies.
1. Prepare the Dry Ingredients. In a medium-sized bowl, whisk together the all-purpose flour, baking soda, and kosher salt. Ensure they are well combined. Set this bowl aside for later.
2. Cream the Wet Ingredients and Sugars. In a large mixing bowl, combine the room temperature unsalted butter, natural creamy peanut butter, light brown sugar, and granulated sugar. Using a stand mixer fitted with the paddle attachment, or an electric hand mixer, beat these ingredients together on medium speed. This step is crucial, so give it ample time – about 4 minutes. You’re looking for the mixture to transform into a pale, light, and fluffy consistency. Properly creaming the butter and sugars incorporates air, which contributes to the cookies’ soft texture.
3. Incorporate Egg and Vanilla. Once the butter and sugar mixture is light and fluffy, add the large egg and vanilla extract. Beat until they are fully combined into the mixture, scraping down the sides of the bowl as needed to ensure everything is incorporated.
4. Combine Wet and Dry Ingredients. Gradually add the reserved dry ingredients (flour mixture) to the wet ingredients in the large bowl. Mix on low speed until just combined. Be careful not to overmix; overmixing can lead to tough cookies.
5. Add M&Ms and Chill the Dough. Gently stir 1 cup of M&Ms into the cookie dough until they are evenly distributed. This is where the magic begins! Now, cover the dough tightly with plastic wrap and chill it in the refrigerator overnight, or for at least 8 hours. This chill time is absolutely critical; it allows the butter to firm up, prevents the cookies from spreading too much during baking, and deepens the flavors, resulting in a much thicker, chewier, and more flavorful cookie.
Preparation for Baking: When you’re ready to bake, preheat your oven to 350 degrees F (175 degrees C). Line a large baking sheet with parchment paper to prevent sticking and ensure even baking.
6. Portion and Decorate. Using a #40 ice cream scoop (approximately 1½-inch diameter), scoop the chilled dough into uniform balls. Place them about 2 inches apart on your prepared baking sheet. For that extra visual appeal and to help flatten the cookies slightly, gently press the remaining M&Ms (the ½ cup you saved) into the top of each cookie dough ball. Aim for 2-3 M&Ms per cookie.
7. Bake and Cool. Bake the cookies for 12-15 minutes. They are ready when the edges are lightly golden brown, and the tops show slight cracks and appear set, even if the very center looks a little soft (they will continue to cook slightly as they cool). Once out of the oven, allow the cookies to cool on the baking sheet for at least 5 minutes before carefully transferring them to a wire rack to cool completely. This resting period on the hot pan helps them firm up and prevents them from breaking apart.
Serving Suggestions
These Peanut Butter M&M Cookies are wonderfully versatile and can be enjoyed in many ways. They are absolutely delightful eaten warm, when the chocolate is still slightly gooey and the cookies are at their softest. However, they are equally delicious at room temperature, offering a chewier bite. These cookies are fantastic for sharing and make a perfect addition to potlucks, bake sales, or cookie exchanges. The familiar and comforting flavors of both M&M cookies and peanut butter cookies combine to create a universally loved treat. Pair them with a cold glass of milk, a hot cup of coffee, or even a scoop of vanilla ice cream for an ultimate dessert experience!
Storage & Freezing Tips
To keep your Peanut Butter M&M Cookies fresh and delicious, proper storage is key.
Storing Baked Cookies:
Once completely cooled, store the baked cookies in an airtight container at room temperature. They will maintain their best texture and flavor for 2-3 days. Beyond this period, they may start to lose some of their moisture and become a bit dry. To revive slightly older cookies, you can warm them briefly in the microwave for 10-15 seconds, or in a preheated oven at 300°F (150°C) for 5 minutes, until softened.
Freezing Baked Cookies:
Baked cookies freeze exceptionally well! After they have cooled completely, arrange them in a single layer on a baking sheet and flash freeze for about 30 minutes until solid. Then, transfer the frozen cookies to a freezer-safe airtight container or heavy-duty freezer bag, layering them with parchment paper to prevent sticking. They can be stored in the freezer for up to 3 months. To enjoy, simply thaw them at room temperature for a few hours, or warm them in the oven for a quick treat.
Freezing Unbaked Cookie Dough:
For fresh-baked cookies anytime, you can freeze the unbaked dough. After portioning the dough into 1½-inch balls and pressing M&Ms onto the tops, arrange them on a baking sheet lined with parchment paper or wax paper. Place the entire tray in the freezer until the dough balls are solid (about 1-2 hours). Once frozen, transfer the dough balls to a freezer-safe airtight container or freezer bag. They can be stored for up to 3 months. When you’re ready to bake, simply place the frozen dough balls on a prepared baking sheet and bake as directed, adding an extra 2-4 minutes to the baking time, as needed. There’s no need to thaw the dough first!
Expert Baking Tips for Perfect Cookies
Achieving bakery-quality Peanut Butter M&M Cookies is easy with these insider tips:
- Butter Temperature is Key: Always use unsalted butter that is truly at room temperature. This means it should be soft enough to easily make a dent with your finger, but still slightly cool to the touch and not melted or greasy. If your butter is too warm, your cookies will likely spread too much and end up flat.
- Accurate Flour Measurement (Scoop & Sweep Method): Flour can easily become compacted in its container, leading to inaccurate measurements. Before measuring, gently stir the flour with a fork or spoon to aerate it. Then, lightly spoon the flour into your measuring cup until it overflows. Use a straight edge, like the back of a knife, to level off the excess flour across the top of the cup. Avoid scooping directly from the bag with the measuring cup, as this packs too much flour.
- Consider Mini M&Ms for More Chocolatey Bites: While regular M&Ms work perfectly, substituting with mini M&Ms can distribute even more chocolatey goodness throughout each cookie. Since they are smaller, you’ll get more pieces per bite, enhancing the chocolate experience.
- Rotate Baking Sheets for Even Baking: If you’re baking multiple batches, use two baking sheets. Alternate them in and out of the oven. This prevents you from scooping cold cookie dough onto a warm pan, which can cause cookies to spread inconsistently. A slightly cooled pan helps maintain the cookie’s shape.
- Invest in a Cookie Scoop: Using a cookie scoop (like a #40 or 1.5-inch diameter) is a game-changer. It makes portioning out the dough quick, easy, and most importantly, ensures that all your cookie dough balls are a consistent size. Uniformly sized cookies bake more evenly and look professional.
- Don’t Overmix the Dough: Once you add the dry ingredients to the wet, mix only until just combined. Overmixing develops the gluten in the flour, which can lead to tough, dense cookies instead of soft and chewy ones.
- Chill Time is Non-Negotiable: The overnight chilling period is essential for preventing excessive spreading, intensifying flavor, and achieving that desired thick and chewy texture. Don’t skip or shorten this step!
- Know Your Oven: Ovens can vary in temperature. If you find your cookies are baking too fast or too slow, consider investing in an oven thermometer to ensure your oven is truly heating to the temperature you set.
- Cooling is Crucial: Allow cookies to cool on the baking sheet for 5-10 minutes before transferring to a wire rack. This allows them to set properly and prevents them from breaking apart.
Frequently Asked Questions (FAQs)
Yes, absolutely! If you prefer almond butter cookies or have a peanut allergy, you can easily substitute natural creamy almond butter for peanut butter in this recipe. The flavor profile will be slightly different, but the texture should remain similar.
Yes, you can! If you’re out of M&Ms or prefer a classic chocolate chip cookie, you can substitute with an equal amount of semisweet or bittersweet chocolate chips. This will result in thick and delicious peanut butter chocolate chip cookies.
For the ultimate chocolate lover, combining both M&Ms and chocolate chips is a fantastic idea! You can use half M&Ms and half chocolate chips (e.g., ¾ cup M&Ms and ¾ cup chocolate chips) in the dough. For presentation, we recommend only pressing additional M&Ms onto the tops of the cookie dough balls before baking.
Several factors can cause cookies to spread excessively: your butter might have been too warm (melted or too soft), you might have used too little flour, or most commonly, you might have skipped or shortened the overnight chilling time for the dough. Ensuring proper ingredient temperatures and chilling is vital for thick cookies.
While this recipe uses all-purpose flour, you can experiment with a 1:1 gluten-free baking flour blend (ensure it contains xanthan gum) for a gluten-free version. Results may vary slightly in texture, but many blends work well in cookie recipes.
Standard milk chocolate M&Ms are classic for this recipe. However, feel free to get creative with seasonal M&M varieties or specialty flavors to match a holiday or occasion!
Explore More Cookie Recipes
If you’re a fan of baking and love experimenting with different cookie varieties, check out some of our other delicious recipes:
- Decadent Chocolate Crinkle Cookies
- Zesty Blood Orange Almond Icebox Cookies
- Charming Cinnamon Owl Shortbread Cookies
- Irresistible Brookies (Brownie Cookies)
- Extra Chewy Chocolate Chip Cookie Bars
- Crunchy Cornflake Cookies
Peanut Butter M&M Cookies Recipe
Rating: 5 out of 5 stars (from 1 vote)
By: Paige Adams
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These easy peanut butter M&M cookies turn out thick and soft, dotted with chocolate candies for that perfect dessert mix of salty and sweet. A truly delightful treat!
Prep Time: 15 mins
Cook Time: 12 mins
Chilling Time: 8 hrs
Total Time: 8 hrs 27 mins
Yields: 36 cookies
Ingredients
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon kosher salt
- 6 ounces unsalted butter, softened at room temperature
- 2/3 cup natural creamy peanut butter
- 1/2 cup packed light brown sugar
- 1/2 cup granulated sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 1-1/2 cups M&Ms (1 cup for dough, 1/2 cup for topping)
Instructions
- In a medium bowl, combine the flour, baking soda, and salt. Whisk well.
- In a large mixing bowl, cream together the softened butter, peanut butter, brown sugar, and granulated sugar using a stand mixer with a paddle attachment or an electric hand mixer. Beat on medium speed for about 4 minutes until the mixture is light and fluffy.
- Beat in the egg and vanilla extract until fully combined, scraping down the sides of the bowl as needed.
- Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Be careful not to overmix.
- Gently stir in 1 cup of M&Ms into the dough.
- Cover the dough tightly with plastic wrap and chill in the refrigerator overnight (at least 8 hours). This step is crucial for preventing spread and developing flavor.
- When ready to bake, preheat your oven to 350°F (175°C). Line two baking sheets with parchment paper.
- Scoop the chilled dough into 1½-inch diameter balls (using a #40 cookie scoop works great). Place them about 2 inches apart on the prepared baking sheet. Gently press the remaining ½ cup of M&Ms (about 2-3 per cookie) onto the tops of each cookie dough ball.
- Bake for 12-15 minutes, or until the edges are lightly golden brown and the tops are set and slightly cracked. The centers may still look a little soft.
- Let the cookies cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.
Notes
- Chocolate Chip Variation: If you’d like to make chocolate chip M&M cookies, stir 1/2 cup M&Ms and 1/2 cup semisweet or bittersweet chocolate chips into the dough. Then, only press M&Ms on top of the dough balls before baking for decoration.
- Storage: Let the cookies cool completely before transferring them to an airtight container. They can be stored for 2-3 days at room temperature. The longer they are stored, the more likely they are to dry out.
- Freezing: You can freeze both baked and unbaked cookies. Thaw frozen baked cookies at room temperature. To freeze unbaked cookies, portion the dough onto a pan lined with parchment or wax paper, then freeze until solid. Once frozen, transfer them to a freezer-safe container for long-term storage. Bake from frozen, adding a few extra minutes to the baking time.
Nutrition
Calories: 156kcal | Carbohydrates: 18g | Protein: 2g | Fat: 9g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 16mg | Sodium: 73mg | Potassium: 41mg | Fiber: 1g | Sugar: 12g | Vitamin A: 144IU | Vitamin C: 0.1mg | Calcium: 18mg | Iron: 1mg
Nutrition information is automatically calculated and should only be used as an approximation.
Additional Info
Course: Cookies & Bars
Cuisine: American
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