Crumbl Copycat Recipe: Chocolate Peanut Butter Brownie ft. Reese’s Pieces
Rich, fudgy, and indulgent — this Chocolate Peanut Butter Brownie Cookie is a dream for peanut butter lovers. Deep cocoa flavor meets creamy peanut butter frosting and the perfect Reese’s crunch.
🧈 Ingredients
Chocolate Cookie Base
1 cup butter, softened
1 ½ cups brown sugar
2 eggs
2 tsp vanilla extract
1 ½ cups flour
1 cup cocoa powder
1 tsp baking powder
½ tsp salt
Peanut Butter Frosting
½ cup creamy peanut butter
¼ cup butter, softened
1 ½ cups powdered sugar
1–2 tbsp milk
½ tsp vanilla extract
Topping
Reese’s Pieces candy
Optional: drizzle of melted chocolate
👩🍳 Instructions
Preheat oven to 350°F.
Cream butter and sugar together until fluffy. Add eggs and vanilla.
Mix in dry ingredients until a thick dough forms.
Scoop ¼-cup dough balls, flatten, and bake 9–11 minutes.
Cool fully before frosting.
For frosting, beat peanut butter and butter until smooth. Add sugar, milk, and vanilla until fluffy.
Spread or pipe onto cookies, then top with Reese’s Pieces and drizzle chocolate if desired.
💡 Pro Tips
Use natural peanut butter for richer flavor.
Don’t skip the cooling — frosting will melt on warm cookies.
For bakery-level shine, mix ½ tsp corn syrup into melted drizzle.