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Chocolate Chip Cookie Cake

Course Dessert
Cook Time 25 minutes
Servings 10

Ingredients

*For the cookie cake:*

  • ¾ cup melted salted butter
  • 1 cup light brown sugar
  • ¼ cup granulated sugar
  • 2 tsp vanilla extract
  • 2 eggs at room temperature
  • 2 cups all-purpose flour
  • 1 tbsp cornstarch
  • ½ tsp baking soda
  • ½ tsp salt
  • 1 cup milk chocolate chips

*For the frosting:*

  • ½ cup butter at room temperature
  • ¼ cup cocoa powder
  • 1 ⅓ cups powdered sugar
  • 4-5 tbsp milk or heavy cream at room temperature
  • ¼ tsp salt
  • ¼ cup rainbow sprinkles

Instructions

*For the cookie cake:*

  • Preheat the oven to 350°F and grease and line the base of a 10-inch springform pan with parchment paper.
  • In the bowl of a stand mixer, combine melted butter, light brown sugar, granulated sugar, vanilla extract, and eggs. Mix on medium speed for 30 seconds until combined.
  • With the mixer on low, add in the flour, cornstarch, baking soda, and salt. Mix on low until incorporated.
  • Remove the bowl from the stand and fold in the chocolate chips with a spatula.
  • Spread the cookie dough in the prepared pan and bake for 22-25 minutes or until the cookie is lightly browned and looks dry on the surface. Allow it to cool completely.

*For the frosting:*

  • In the bowl of the stand mixer, cream the butter, cocoa powder, powdered sugar, and salt on medium speed until combined.
  • Add in the milk, 1 tablespoon at a time, until smooth and creamy.
  • Transfer the frosting to a piping bag fitted with a tip and pipe a border of frosting around the edge of the cake.
  • Top the frosting with sprinkles, slice, and enjoy!