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Copycat Crumbl Cosmic Brownie Cookies

Close-up of Copycat Crumbl Cosmic Brownie Cookies topped with melted chocolate, colorful candy-coated chocolates, and rainbow sprinkles.

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These Copycat Crumbl Cosmic Brownie Cookies are rich, fudgy, bakery-style chocolate cookies topped with smooth ganache and colorful candy bits. They’re easy to make, nostalgic, and perfect for any chocolate lover.

Ingredients

Scale
  • 1 cup + 2 tbsp all-purpose flour
  • 1/4 cup unsweetened cocoa powder
  • 1 tsp baking powder
  • Pinch of salt
  • 1 stick butter
  • 8 oz semi-sweet chocolate chips (for dough)
  • 2 large eggs, room temperature
  • 2/3 cup brown sugar
  • 1/2 cup granulated sugar
  • 1 tsp vanilla extract
  • 6 oz semi-sweet chocolate chips (for ganache)
  • 1/4 cup heavy cream
  • Rainbow chocolate candies

Instructions

  1. Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper.
  2. In a bowl, whisk together flour, cocoa powder, baking powder, and salt. Set aside.
  3. In a saucepan, melt the butter and 8 oz of chocolate chips over medium-low heat. Stir until smooth and let cool slightly.
  4. In a large bowl, beat eggs, brown sugar, granulated sugar, and vanilla extract until light and fluffy (3–5 minutes).
  5. Slowly add the melted chocolate mixture to the egg mixture while mixing on low speed.
  6. Fold in the dry ingredients using a spatula until just combined. Do not overmix.
  7. Use a large cookie scoop to portion 10 dough balls onto the prepared baking sheet.
  8. Bake for 12 minutes. Immediately after baking, use a round cutter to shape the cookies into perfect circles.
  9. Let cookies cool on the baking sheet for 10 minutes, then transfer to a wire rack to cool completely.
  10. For the ganache, microwave 6 oz of chocolate chips and heavy cream in 30-second intervals, stirring until smooth.
  11. Spread 2–3 teaspoons of ganache on each cooled cookie and sprinkle with rainbow chocolate candies.

Notes

  • Chill dough before baking if your kitchen is warm to reduce spreading.
  • Ganache should be cooled slightly before spreading to avoid running.
  • Store cookies in an airtight container in the fridge for up to 6 days.
  • Freeze baked cookies without ganache for up to 3 months.

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