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Home » Recipes » Dessert

Peanut Butter M&M Cookies

Published: Jun 13, 2024 by Kate

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Stack of four cookies on a table, with text: Peanut Butter M&M Cookies.
A pile of cookies, ingredients on a table, bowl of cookie dough, and text: Peanut Butter M&M Cookies.

Whip up a batch of these perfectly soft and chewy Peanut Butter M&M Cookies! This easy no chill monster cookie recipe is full of peanut butter, oats, m&ms, and chocolate chips.

A pile of peanut butter M&M cookies.

Love peanut butter cookies? Love oatmeal cookies? How about chocolate chip cookies or m&m cookies?

Well, why not combine them all into one soft and chewy Monster Cookie!

There’s something incredibly satisfying about a homemade cookie, especially when it combines the creamy richness of peanut butter with the colorful crunch of M&Ms.

These Peanut Butter M&M Cookies are a delightful treat that everyone will love.

With their soft, chewy texture and the perfect balance of sweet and salty, they’re a hit at any gathering.

Plus, they’re straightforward to make, ensuring you’ll have a batch ready to enjoy in no time.

If you're a cookie fan, or looking for some cookies to make for a Christmas cookie exchange, then be sure to try Chocolate Crinkle Cookies, No Bake Cornflake Cookies, or Lorna Doone Cookies (Copycat). They're all favorites at our house!

Jump to:
  • Why You'll Love This Recipe
  • Ingredients
  • How to make Peanut Butter m&m Cookies
  • Serving Suggestions
  • Variations
  • More Cookie Recipes
  • Storage and Freezing Advice
  • Make Ahead Information
  • Recipe Tips
  • 📖 Recipe
  • 💬 Comments

Why You'll Love This Recipe

  • Delicious Flavor: The combination of peanut butter, M&Ms, and chocolate chips creates a flavor explosion in every bite.
  • Easy to Make: With simple, straightforward steps, this recipe is perfect for both novice and experienced bakers.
  • Crowd-Pleaser: These cookies are always a hit at parties, gatherings, and bake sales. Everyone loves monster cookies!
  • Versatile: You can easily customize the recipe with different mix-ins or variations.
  • Quick: A quick and easy no chill monster cookie recipe.
  • Comfort Food: There’s something deeply comforting about a warm, homemade cookie, and these are no exception.
Ingredients for the cookies in bowls on a table.

Ingredients

You only need simple pantry ingredients for this recipe!

  • Granulated Sugar: Adds sweetness and helps achieve a crisp texture on the edges.
  • Brown Sugar: Provides a deeper, caramel-like flavor and keeps the cookies moist and chewy.
  • Unsalted Butter: Softened butter ensures the cookies are rich and tender.
  • Creamy Peanut Butter: The star ingredient, giving the cookies their distinctive flavor. Use natural or commercial peanut butter.
  • Large Eggs: Help bind the ingredients and add structure to the cookies.
  • Vanilla Extract: Enhances the flavor of the cookies.
  • All-Purpose Flour: The base of the dough, providing structure.
  • Old-Fashioned Rolled Oats: Adds texture and a slight chewiness.
  • Baking Soda and Baking Powder: Leavening agents that help the cookies rise.Salt: Balances the sweetness and enhances flavor.
  • Mini M&M Candies: Add color, crunch, and chocolatey goodness.
  • Semi-Sweet Chocolate Chips: Extra chocolate for an indulgent touch.

See the recipe card for quantities and method.

How to make Peanut Butter m&m Cookies

Follow these step-by-step instructions, then scroll down for the full ingredients list and method.

Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper or silicone baking mats.

Creamed butter and sugars.

In a large mixing bowl, cream together the softened butter, granulated sugar, and brown sugar with an electric mixer until light and fluffy.

Add the peanut butter and vanilla and mix until well combined.

Egg added to the mixing bowl.

Beat in the eggs one at a time, ensuring each egg is fully incorporated before adding the next.

In a separate bowl, whisk together the all-purpose flour, rolled oats, baking soda, baking powder, and salt.

Mixed cookie dough.

Gradually add the dry ingredients to the wet mixture, mixing just until combined.

Cookie dough ready to chill.

Gently fold in the M&Ms and chocolate chips.

Balls of peanut butter M&M cookie dough.

Using a cookie scoop or spoon, roll rounded balls of dough (about 2 tablespoons each) and place onto the prepared baking sheets, spacing them about 2 inches apart.

Flattened cookie dough balls.

Press them down slightly with the palm of your hand.

Baked monster peanut butter m and m cookies.

Bake at 350°F (175°C) for 10-12 minutes, or until the edges are lightly golden but the centers are still soft.

Remove from the oven and let the cookies cool on the baking sheets for 5 minutes before transferring them to a wire rack to cool completely.

Scroll down for the full ingredients list and method.

Serving Suggestions

  • Milk & Cookies: Serve with a cold glass of milk for the ultimate comfort snack.
  • Ice Cream Sandwiches: Make ice cream sandwiches by placing a scoop of your favorite ice cream between two cookies. Try it with Funfetti Ice Cream.
  • Dessert Platter: Include these cookies in a dessert platter with brownies, fudge, and other treats.
  • Coffee Companion: Enjoy with a cup of coffee or tea for an afternoon pick-me-up. Try it with a Caramel Frappuccino!
  • Gift Boxes: Pack them in decorative boxes or tins for a homemade gift.

Variations

Nutty Delight: Add chopped nuts like walnuts or pecans for extra crunch.

White Chocolate & Cranberry: Substitute white chocolate chips for semi-sweet and add dried cranberries for a festive twist.

Spicy Kick: Mix in a teaspoon of cinnamon and a pinch of cayenne pepper for a warm, spicy flavor.

Oatmeal Raisin: Replace M&Ms with raisins and add a teaspoon of cinnamon for a classic oatmeal raisin cookie.

Double Chocolate: Add 3 tablespoons of cocoa powder to the dough for a double chocolate treat.

A stack of four peanut butter oatmeal m and m cookies.

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Storage and Freezing Advice

Store the cookies in an airtight container at room temperature for up to a week.

If you want to keep them longer, they freeze beautifully. Place the cookies in a single layer on a baking sheet to freeze, then transfer to a freezer-safe bag or container. They’ll keep for up to three months.

To enjoy, thaw them at room temperature or warm them in the oven for a few minutes.

Make Ahead Information

You can prepare the cookie dough ahead of time and refrigerate it for up to 3 days.

When you’re ready to bake, let the dough sit at room temperature for about 10-15 minutes to soften slightly.

Scoop and bake as directed.

You can also freeze the dough balls and bake them straight from the freezer, adding an extra minute or two to the baking time.

Recipe Tips

  • Room Temperature Ingredients: Ensure the butter and eggs are at room temperature for easier mixing and better texture.
  • Don’t Overmix: Mix the dry ingredients into the wet ingredients just until combined to avoid tough cookies.
  • Even Size: Use a cookie scoop for uniform cookies that bake evenly.
  • Watch the Bake Time: Bake until the edges are set and the centers are still soft. They will continue to set as they cool.
  • Cooling: Let the cookies cool on the baking sheet for a few minutes before transferring to a wire rack to prevent them from breaking.

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📖 Recipe

A pile of peanut butter M&M cookies.

Peanut Butter M&M Cookies

Perfectly soft and chewy Peanut Butter M&M Cookies! This easy monster cookie recipe is full of peanut butter, oats, m&ms and chocolate chips.
5 from 5 votes
Print Pin Rate
Course: Dessert
Cuisine: American
Keyword: m&m cookies, monster cookies, peanut butter cookies
Prep Time: 15 minutes minutes
Cook Time: 10 minutes minutes
Total Time: 25 minutes minutes
Servings: 30
Calories: 279kcal
Author: Kate | You Say Potatoes
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Equipment

  • Mixing Bowl
  • Baking Sheet

Ingredients

  • 1 cup granulated sugar
  • 1 cup packed brown sugar
  • ½ cup 1 stick unsalted butter, softened
  • 1 cup creamy peanut butter
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 2 cups all-purpose flour
  • 1 cup old-fashioned rolled oats
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • 1 cup mini M&M candies
  • ⅓ cup semi-sweet chocolate chips or chopped chocolate

Instructions

  • Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper or silicone baking mats.
  • In a large mixing bowl, cream together the softened butter, granulated sugar, and brown sugar with an electric mixer until light and fluffy.
  • Add the peanut butter and vanilla and mix until well combined.
  • Beat in the eggs one at a time, ensuring each egg is fully incorporated before adding the next.
  • In a separate bowl, mix together the all-purpose flour, rolled oats, baking soda, baking powder, and salt.
  • Gradually add the dry ingredients to the wet mixture, mixing just until combined.
  • Gently fold in the M&Ms and chocolate chips.
  • Using a cookie scoop or spoon, roll rounded balls of dough (about 2 tablespoons each) and place onto the prepared baking sheets, spacing them about 2 inches apart. Press them down slightly with the palm of your hand.
  • Bake in the preheated oven for 10-12 minutes, or until the edges are lightly golden but the centers are still soft.
  • Remove from the oven and let the cookies cool on the baking sheets for 5 minutes before transferring them to a wire rack to cool completely.
Tried this recipe?Head down to the comments and give it a star rating!

Nutrition

Calories: 279kcal | Carbohydrates: 37g | Protein: 5g | Fat: 13g | Saturated Fat: 5g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 4g | Trans Fat: 0.2g | Cholesterol: 25mg | Sodium: 164mg | Potassium: 117mg | Fiber: 2g | Sugar: 25g | Vitamin A: 159IU | Vitamin C: 0.1mg | Calcium: 36mg | Iron: 1mg

The nutritional information provided is approximate and can vary depending on several factors, so is not guaranteed to be accurate. Please see a registered dietician for special diet advice.

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Reader Interactions

Comments

    5 from 5 votes

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    Recipe Rating




  1. Beth

    June 13, 2024 at 4:45 pm

    5 stars
    This is the best use of peanut butter and chocolate I've ever seen! Yummo!

    Reply
  2. Catherine

    June 16, 2024 at 3:40 pm

    5 stars
    Worked well. I cooked half and froze the other half of the dough.

    Reply
  3. Shelley G Fulton

    June 16, 2024 at 4:23 pm

    5 stars
    So totally classic and always a favorite! Love that you added oats to your version, though, for extra texture - yum! And seriously fun idea to turn these into ice cream sandwiches, which I should totally try next time I make these (if they don't disappear first lol)!

    Reply
  4. Ashley

    June 17, 2024 at 4:03 pm

    5 stars
    I made these for my daughter's rainbow themed birthday party and they were perfection!

    Reply
  5. Jacqueline

    June 20, 2024 at 2:09 pm

    5 stars
    Worked really well. The kids loved them in their lunchboxes.

    Reply

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Kate cooking.

Hi, I'm Kate! You Say Potatoes, I say, well, potatoes. I'm a cookbook author and journalist from the Pacific Northwest. Here you'll find easy, budget-friendly recipes made from scratch.

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