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Crumbl Cosmic Brownie Cookies

These are thick, fudgey chocolate cookies topped with a ganache glaze and rainbow chips. They're big enough to share but good enough that you won't want to.
prep time15 minutes
cook time15 minutes
resting or cooling time10 minutes
total time40 minutes
Print Recipe

Ingredients

Cookies

  • 1 cup salted butter, softened
  • 1 cup brown sugar
  • 1/3 cup granulated sugar
  • 2 eggs
  • 1 1/2 Tbsp corn syrup
  • 2 tsp vanilla extract
  • 2 1/2 cups all-purpose flour
  • 2/3 cup dutch processed cocoa powder
  • 2 tsp corn starch
  • 1 1/2 tsp baking soda
  • 3/4 tsp salt

Toppings

  • 1/2 cup heavy cream
  • 1 1/3 cups semi sweet chocolate chips
  • 1/4 cup rainbow coated chocolate chips

Instructions

  • Preheat oven to 350F.
  • Cream together softened butter, brown sugar, and granulated sugar until light and fluffy, about 3-4 minutes.
  • Add eggs, corn syrup, and vanilla extract. Mix until combined.
  • Add flour, cocoa powder, corn starch, baking soda, and salt. Mix until dough forms.
  • Divide dough into 9 equal portions using a 1/3 cup measuring cup.
  • Roll each portion into a ball and flatten slightly into a hockey puck shape.
  • Arrange 6 cookies per parchment-lined baking sheet.
  • Microwave heavy cream for 1 1/2 minutes until boiling.
  • Pour hot cream over semi sweet chocolate chips and let sit 3 minutes.
  • Whisk chocolate and cream until smooth. Set aside to cool.
  • Bake cookies for 15-17 minutes until centers are set and edges crinkle.
  • Cool cookies on pan for 10 minutes.
  • Spoon frosting onto each cookie and sprinkle with rainbow chocolate chips while frosting is wet.

Notes

Cookies are best served while still warm.