Cosmic Brownie Cookies (Printable Version)

Fudgy chocolate cookies with ganache and rainbow chips for a nostalgic dessert.

# What You Need:

→ Cookie Base

01 - 1 cup unsalted butter, softened
02 - 1 cup granulated sugar
03 - 1/2 cup light brown sugar, packed
04 - 2 large eggs
05 - 2 teaspoons vanilla extract
06 - 1 1/4 cups all-purpose flour
07 - 1 cup unsweetened cocoa powder
08 - 1/2 teaspoon baking soda
09 - 1/4 teaspoon salt

→ Chocolate Ganache

10 - 1 cup semi-sweet chocolate chips
11 - 1/2 cup heavy cream
12 - 1 tablespoon unsalted butter

→ Topping

13 - 1/3 cup rainbow candy-coated chocolate chips

# How To Make It:

01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a large bowl, beat softened butter, granulated sugar, and brown sugar until light and fluffy, about 2-3 minutes.
03 - Beat in eggs one at a time until fully incorporated. Mix in vanilla extract.
04 - In a separate bowl, whisk together flour, cocoa powder, baking soda, and salt.
05 - Gradually add dry ingredients to wet mixture, mixing just until combined. Avoid overmixing.
06 - Scoop 2-tablespoon portions of dough onto prepared baking sheets, spacing 2 inches apart.
07 - Bake for 9-11 minutes until edges are set and centers appear slightly underbaked.
08 - Let cookies rest on baking sheets for 5 minutes, then transfer to wire rack to cool completely.
09 - Place chocolate chips and butter in heatproof bowl. Heat cream in small saucepan until simmering, pour over chocolate. Let sit 2 minutes, stir until smooth and glossy. Cool 5-10 minutes until thickened.
10 - Spread 1 tablespoon ganache over each cooled cookie. Immediately sprinkle with candy-coated chocolate chips.
11 - Allow ganache to set at room temperature for about 20 minutes before serving.

# Expert Suggestions:

01 -
  • The centers stay impossibly fudgy days after baking
  • Kids and adults both get excited over that nostalgic cosmic topping
  • The ganache transforms an ordinary cookie into something bakery worthy
02 -
  • Overbaking by even a minute ruins the fudgy texture
  • The ganache must cool slightly before spreading or it slides right off the cookies
  • Add candy chips immediately after spreading or they will not stick
03 -
  • Weigh your flour instead of measuring by volume for consistent results
  • Chill the dough for 30 minutes if your cookies spread too thin
  • Use high quality chocolate chips in the ganache because you will really taste it

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