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Copycat Cosmic Brownies

Ultra-fudgy, dense chocolate brownies topped with a rich chocolate ganache and iconic rainbow candy chips. Just like the childhood favorite, but so much better!
Print Recipe
Prep Time 15 minutes
Cook Time 25 minutes
Cooling Time 2 hours
Total Time 2 hours 40 minutes
Servings: 12 brownies
Course: Dessert, Snack
Cuisine: American
Calories: 410
Ingredients Equipment Method Notes

Ingredients
  

Brownie Base
  • 0.75 cup unsalted butter melted (1.5 sticks)
  • 1 cup granulated sugar
  • 0.5 cup light brown sugar packed
  • 2 large eggs room temperature
  • 1 tsp pure vanilla extract
  • 0.75 cup unsweetened cocoa powder Dutch-process preferred
  • 0.75 cup all-purpose flour
  • 0.5 tsp salt
Ganache Frosting & Topping
  • 1.5 cups semi-sweet chocolate chips
  • 0.5 cup heavy whipping cream
  • 0.5 cup rainbow candy-coated chocolate chips for topping

Equipment

  • 8x8 inch baking pan
  • Large Mixing Bowl
  • Whisk
  • Heat-proof bowl

Method
 

  1. Preheat oven to 350°F (175°C). Line an 8x8-inch baking pan with parchment paper and lightly grease.
  2. In a large bowl, whisk together the melted butter, granulated sugar, and brown sugar. Add the eggs one at a time, whisking well, then stir in the vanilla extract.
  3. Sift the cocoa powder, flour, and salt into the wet ingredients. Fold gently with a spatula just until combined. Do not overmix.
  4. Pour the batter into the prepared pan and smooth the top. Bake for 22-25 minutes until a toothpick comes out with moist crumbs. Let cool completely in the pan.
  5. To make the ganache, heat the heavy cream until just simmering. Pour it over the chocolate chips in a heat-proof bowl. Let sit for 3 minutes, then whisk until smooth and glossy.
  6. Pour the warm ganache evenly over the cooled brownies. Immediately sprinkle with the rainbow candy chips.
  7. Chill the pan in the refrigerator for at least 1-2 hours until the ganache is set. Lift out using the parchment and slice into rectangles with a warm, clean knife.

Notes

Store the brownies in an airtight container in the refrigerator for up to a week. They are best served chilled for that authentic, ultra-dense texture.