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Double Chocolate Chip Cookie Cake

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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Course Dessert
Cuisine American
Servings 10

Equipment

  • 9-inch round cake pan or a springform pan for easy removal
  • Mixing bowls
  • Whisk
  • Spatula
  • Electric mixer for frosting, if using
  • Parchment paper for lining the pan

Ingredients
  

For the Cookie Cake

  • 2 1/4 cups all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 3/4 cup unsalted butter melted
  • 1 cup brown sugar packed
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 1 cup semi-sweet chocolate chips
  • 1/2 cup milk chocolate chips

For the Frosting (Optional)

  • 1/2 cup unsalted butter softened
  • 1 3/4 cups powdered sugar
  • 1/4 cup unsweetened cocoa powder
  • 1 teaspoon vanilla extract
  • 2-3 tablespoons milk

Instructions
 

Step 1: Prepare the Pan

  1. Preheat your oven to 350°F (175°C). Grease a 9-inch round cake pan and line the bottom with parchment paper for easy removal.

Step 2: Mix the Dry Ingredients

  1. In a medium bowl, whisk together the flour, cocoa powder, baking soda, and salt. Set aside.
    dry mixture of all-purpose flour and cocoa powder

Step 3: Combine the Wet Ingredients

  1. In a large mixing bowl, whisk together the melted butter, brown sugar, and granulated sugar until smooth. Add the eggs and vanilla extract, mixing until fully incorporated.
    golden mixture of eggs, sugar, melted butter, and vanilla extract

Step 4: Combine Wet and Dry Ingredients

  1. Gradually add the dry ingredients to the wet mixture, stirring until just combined. Be careful not to overmix.

Step 5: Fold in the Chocolate Chips

  1. Gently fold in both types of chocolate chips, ensuring they are evenly distributed throughout the dough.

Step 6: Bake

  1. Spread the dough evenly into the prepared cake pan. Bake for about 25 minutes or until the edges are set and the center looks slightly underbaked (it will firm up as it cools).
    dark chocolate cookie dough

Step 7: Cool & Frost (Optional)

  1. Let the cookie cake cool in the pan for 10 minutes before transferring it to a wire rack. If using frosting, beat all frosting ingredients together until smooth and spread over the cooled cake.