If you like Little Debbie Cosmic Brownies you will love this homemade cosmic brownie recipe. The frosted brownies are ultra-rich and fudgy, and topped with rainbow sprinkles, just like the original.
Ingredients
Brownie Ingredients:
- ¾ cups unsalted butter 1 ½ sticks, melted
- 1 cup granulated sugar
- ⅔ cups brown sugar packed
- 2 teaspoons vanilla extract
- 2 large eggs room temperature
- 1 ¼ cups all-purpose flour
- ¾ cups unsweetened cocoa powder
- 1 Tablespoon cornstarch
- ½ teaspoons baking powder
- ¼ teaspoon salt
- 3 Tablespoons whole milk
Frosting Ingredients:
- ¾ cups heavy whipping cream
- 1 cup semi-sweet chocolate chips
- rainbow chips
Instructions
For the brownies:
- Preheat oven to 350 degrees. Line a 9 x 13 inch baking dish with parchment paper and lightly spray with nonstick baking spray. Set aside.
- In a large bowl, beat to combine melted butter, white sugar, brown sugar, and vanilla using an electric mixer. Add eggs, one at a time, mixing until well blended.
- In a medium bowl, whisk to combine flour, cocoa powder, cornstarch, baking powder, and salt.
- Slowly add the flour mixture to the wet ingredients while alternating adding in the milk. Mix just until combined.
- Using a rubber spatula, spread the thick batter evenly into the prepared pan.
- Bake at 350 degrees for 20-25 minutes.
- Remove from oven and set aside to cool.
For the Frosting:
- In a small pot, bring the heavy whipping cream to a slow simmer. Stir in the chocolate chips. Allow to sit for 1 minute, then whisk until smooth.
- Pour over cooled brownies and spread into an even layer. Sprinkle immediately with rainbow chips.
- Refrigerate for 1-2 hours until frosting is set. Lift parchment to remove brownies from pan. Slice and enjoy!
Notes
The brownies will keep for up to three days at room temperature or up to one week when stored in the fridge.
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