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Monster Cookie Dough Brownies Recipe

Monster Cookie Dough Brownies are a culinary masterpiece that marries the indulgent richness of brownies with the delightful sweetness of monster cookie dough. This dessert has surged in popularity, becoming a favorite among both baking enthusiasts and dessert lovers alike. Its unique combination captures the essence of two classic treats, making it a standout dish in the world of sweets.

The allure of Monster Cookie Dough Brownies lies not only in their taste but also in their texture and appearance. They are a testament to the creativity and innovation in modern baking, where traditional recipes are transformed into something extraordinary. The popularity of this dessert reflects a broader trend towards hybrid desserts – creations that combine elements of multiple classic desserts into a single, decadent experience. As social media platforms overflow with images and recipes of these brownies, their status as a trendy and sought-after treat continues to rise.

The Perfect Blend of Flavors and Textures

The secret to the irresistible appeal of Monster Cookie Dough Brownies lies in the perfect balance of flavors and textures. The monster cookie dough, a colorful and peanut buttery concoction, is studded with oats and M&Ms, offering a chewy contrast to the dense and fudgy brownie base. This cookie dough is not just any cookie dough; it’s a vibrant mix that brings joy and nostalgia to every bite, reminiscent of childhood treats but with a sophisticated twist.

The brownie base itself is a crucial component. It provides a deep, chocolatey foundation that complements the sweetness of the cookie dough. Achieving the right texture here is key; the brownies must be moist and fudgy, not cakey, to ensure that each bite is satisfyingly rich. This base acts as the perfect canvas for the layers that follow, anchoring the dessert with its robust chocolate flavor.

Topping off this delightful creation is the chocolate ganache. This smooth, glossy layer not only adds an extra dimension of chocolate but also serves to balance the sweetness of the cookie dough with its rich, semi-sweet flavor. The ganache plays a crucial role in unifying the dessert, enveloping the brownie and cookie dough layers in a velvety embrace that makes every bite harmonious. Its luxurious texture and deep chocolate taste elevate the dessert, making it not just a treat for the palate but a feast for the eyes as well.

Ingredients Breakdown

Creating Monster Cookie Dough Brownies requires a combination of simple ingredients that work together to create a complex flavor profile. Here’s what you’ll need:

Brownie Layer

  • A box of your favorite brownie mix or your preferred homemade recipe

Monster Cookie Dough Layer

  • Unsalted butter, softened
  • Brown sugar
  • Creamy peanut butter
  • Vanilla extract
  • Salt
  • All-purpose flour
  • Quick cook oats
  • Mini semisweet chocolate chips
  • Mini M&Ms

For those interested in enhancing the cookie dough layer, consider using mini M&Ms for a more even distribution of chocolate and color throughout the dough.


Chocolate Ganache Layer

  • Semisweet chocolate chips
  • Heavy cream

Step-by-Step Baking Guide

Preparing the Brownie Base

  1. Line an 8-inch square baking pan with parchment paper and spray with nonstick cooking spray.
  2. Prepare and bake brownies according to package instructions; allow to cool completely.

Creating the Monster Cookie Dough

  1. In the bowl of a stand mixer fitted with the paddle attachment, cream together the butter, sugar, and peanut butter until light and fluffy.
  2. Add the vanilla and salt, then gradually mix in the flour and oats.
  3. Fold in the chocolate chips and M&Ms.

Assembling and Baking

  1. Spread the cookie dough evenly over the cooled brownies.

Adding the Ganache

  1. Heat the heavy cream until it just begins to boil, then pour over the chocolate chips. After letting it sit covered for 5 minutes, whisk until smooth.
  2. Pour the ganache over the cookie dough layer and refrigerate until set.

For those looking to dive deeper into the art of baking brownies, King Arthur Baking offers advanced baking tips that can help ensure your brownies turn out perfect every time.


Can I use store-bought cookie dough?

  • Yes, you can use store-bought cookie dough for convenience. However, making your own monster cookie dough allows for customization in terms of sweetness, texture, and mix-ins. Homemade dough also ensures that the flavors perfectly complement the brownie base, enhancing the overall taste of your Monster Cookie Dough Brownies.

How do I store Monster Cookie Dough Brownies?

  • Monster Cookie Dough Brownies should be stored in an airtight container to maintain their freshness. They can be kept at room temperature for up to 3 days. For longer storage, refrigerate them for up to a week. If you prefer enjoying them warm, a quick microwave session will bring back their gooey texture.

Can I make these brownies gluten-free?

  • Absolutely! To make gluten-free Monster Cookie Dough Brownies, simply substitute the all-purpose flour in the cookie dough and the brownie mix with your preferred gluten-free flour blend. Ensure that all other ingredients, including the mix-ins like chocolate chips and M&Ms, are certified gluten-free to avoid cross-contamination. This way, you can enjoy this delightful dessert without any gluten concerns.

Common Mistakes to Avoid

  • Avoid overmixing the dough as it can lead to tough brownies.
  • Pay close attention to baking times to avoid dry or overbaked brownies.

Monster Cookie Dough Brownies are more than just a dessert; they’re an experience. By following this guide, you’ll be able to create a treat that’s sure to impress anyone who tries it. Remember, the key to perfect brownies is patience, quality ingredients, and a love for baking. Enjoy the process and the delicious results!

Monster Cookie Dough Brownies Recipe

Indulge in the ultimate dessert experience with Monster Cookie Dough Brownies. This recipe combines the rich, fudgy texture of brownies with the sweet, peanut buttery goodness of monster cookie dough, all topped off with a smooth chocolate ganache. Perfect for parties, family gatherings, or a delightful treat to satisfy your sweet tooth, these brownies are sure to impress.
Prep Time 1 hour
Cook Time 30 minutes
Total Time 1 hour 30 minutes
Course Dessert
Cuisine American
Servings 16 Pieces
Calories 400 kcal


  • 8-inch square baking pan
  • Parchment paper
  • Nonstick cooking spray
  • Stand mixer with paddle attachment
  • Medium bowl
  • Small saucepan
  • Whisk



  • 1 box of brownie mix plus ingredients called for on the box

Monster Cookie Dough:

  • cup unsalted butter softened
  • ½ cup brown sugar
  • ½ cup creamy peanut butter
  • 1 teaspoon vanilla extract
  • teaspoon salt
  • cup all-purpose flour or gluten-free flour for a gluten-free version
  • ½ cup quick cook oats
  • cup mini semisweet chocolate chips
  • cup mini M&Ms

Chocolate Ganache:

  • 4 ounces semisweet chocolate chips
  • ½ cup heavy cream


  • Prepare the Brownies: Preheat your oven according to the brownie mix instructions. Line the baking pan with parchment paper and spray with nonstick cooking spray. Prepare and bake the brownies as directed. Allow to cool completely.
  • Make the Cookie Dough: In a stand mixer, cream together the butter, brown sugar, and peanut butter until light and fluffy. Mix in the vanilla and salt. Gradually add the flour and oats, then fold in the chocolate chips and M&Ms. Spread the cookie dough evenly over the cooled brownies.
  • Prepare the Ganache: Place the chocolate chips in a medium bowl. Heat the heavy cream in a saucepan until it begins to boil. Pour the hot cream over the chocolate chips, cover, and let sit for 5 minutes. Whisk until smooth. Pour the ganache over the cookie dough layer.
  • Finalize: Refrigerate the brownies until the ganache is set. Slice into 16 pieces and serve.


  • For a gluten-free version, ensure all ingredients, including the brownie mix and mix-ins, are certified gluten-free.
  • Store leftovers in an airtight container at room temperature for up to 3 days or refrigerated for up to a week.
  • For a nut-free version, omit the peanut butter and use a suitable substitute for the M&Ms.
Keyword Brownies, Chocolate Ganache, Cookie Dough, Dessert, Monster Cookie Dough Brownies