Monster Cookie Fudgy Brownies Recipe
Introduction
If you’re craving a rich, fudgy brownie with a fun and colorful twist, Monster Cookie Fudgy Brownies are the perfect treat. Loaded with peanut butter, chocolate chips, and M&Ms, these brownies combine classic flavors with a playful crunch.

Ingredients
- Brownie batter (store-bought or homemade)
- Peanut butter (about ½ cup)
- Chocolate chips (⅓ cup)
- M&Ms (½ cup)
Instructions
- Step 1: Preheat your oven according to the brownie batter instructions. In a large bowl, prepare the brownie batter as directed.
- Step 2: Gently fold in the peanut butter, chocolate chips, and M&Ms until evenly distributed throughout the batter.
- Step 3: Pour the batter into a greased or lined baking pan, spreading it evenly.
- Step 4: Bake according to the brownie batter package or recipe instructions, usually around 20–25 minutes, until set but still fudgy in the center.
- Step 5: Remove from oven and allow to cool before cutting into squares and serving.
Tips & Variations
- Swirl additional peanut butter on top of the batter before baking for extra flavor.
- Use crunchy peanut butter to add texture contrast.
- Substitute M&Ms with other candies like Reese’s Pieces or chopped nuts.
- For a richer brownie, add a tablespoon of espresso powder to the batter.
Storage
Keep the brownies in an airtight container at room temperature for up to 3 days. For longer storage, refrigerate for up to a week or freeze for up to 3 months. Reheat gently in the microwave or enjoy chilled.
How to Serve
Serve this delicious recipe with your favorite sides.
FAQs
Can I use homemade brownie batter instead of store-bought?
Absolutely! Homemade batter works wonderfully and allows you to customize ingredients to your preference.
Will the M&Ms melt during baking?
Some melting may occur, but generally M&Ms hold their shape and add a nice colorful crunch to the brownies.
PrintMonster Cookie Fudgy Brownies Recipe
These Monster Cookie Fudgy Brownies combine rich, fudgy brownie batter with classic peanut butter, chocolate chips, and colorful M&Ms to create a decadent, chewy treat with a delightful crunch and burst of sweetness. Perfect for cookie and brownie lovers alike, these brownies are easy to prepare and bake, making them an irresistible dessert or snack.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Total Time: 35 minutes
- Yield: 12 brownies 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
Brownie Batter
- 1 batch of your favorite brownie batter (approximately 1 cup flour, 1 cup sugar, 1/2 cup cocoa powder, 2 eggs, 1/2 cup butter or oil, 1 tsp vanilla extract, 1/4 tsp salt)
Add-ins
- 1/2 cup creamy peanut butter
- 1/2 cup chocolate chips
- 1/2 cup M&Ms
Instructions
- Prepare Brownie Batter: In a mixing bowl, combine all your brownie batter ingredients until smooth and thoroughly mixed to create the base for these fudgy brownies.
- Add Mix-ins: Gently fold in the peanut butter, chocolate chips, and M&Ms into the brownie batter, ensuring they are evenly distributed for a flavorful bite in every piece.
- Bake: Pour the batter into a greased or lined baking pan. Bake in a preheated oven at 350°F (175°C) for about 25-30 minutes or until the brownies are set but still fudgy in the center. Insert a toothpick that comes out with a few moist crumbs to indicate perfect doneness.
- Cool and Serve: Allow the brownies to cool in the pan before cutting into squares. Serve as a delightful dessert or snack that combines the best of cookies and brownies.
Notes
- Peanut butter can be swirled into the batter instead of mixed fully for a marbled effect.
- Use mini M&Ms for better distribution throughout the batter.
- Adjust baking time slightly if using a glass pan or different oven type.
- Store brownies in an airtight container at room temperature for up to 3 days or in the fridge for up to a week.
- For a nut-free version, omit peanut butter and replace with sunflower seed butter.
Keywords: monster cookie brownies, fudgy brownies, peanut butter brownies, chocolate chip brownies, M&M brownies, easy brownie recipe, dessert, snack

