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Cookie Dough Brownie Cake

A rich and fudgy dessert that combines classic brownies with a layer of irresistible cookie dough, topped with gooey chocolate frosting.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 9 pieces
Course: Dessert
Cuisine: American
Calories: 400
Ingredients Method Notes

Ingredients
  

For the Brownie Base
  • 1/2 cup unsalted butter, melted
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/3 cup unsweetened cocoa powder
  • 1/2 cup all-purpose flour
  • 1/4 teaspoon salt
  • 1/4 teaspoon baking powder
For the Cookie Dough Topping
  • 1/2 cup unsalted butter, softened
  • 1/2 cup brown sugar
  • 1/4 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour (heat-treated) Bake regular flour at 350°F for 5-10 minutes to heat-treat
  • 1/4 teaspoon salt
  • 1/2 cup chocolate chips
For the Frosting
  • 1/2 cup unsalted butter, softened
  • 2 cups powdered sugar
  • 1/4 cup cocoa powder
  • 2 tablespoons milk
  • 1 teaspoon vanilla extract

Method
 

Preparation
  1. Preheat your oven to 350°F (175°C) and grease a 9x9-inch baking pan.
  2. In a medium bowl, mix the melted butter and granulated sugar until well combined.
  3. Add the eggs and vanilla extract, whisking until smooth.
  4. Sift the cocoa powder, flour, salt, and baking powder into the mixture, stirring until just combined.
  5. Pour the brownie batter into the prepared pan, spreading it evenly.
Baking
  1. Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted in the center comes out with a few moist cbs.
  2. Remove from the oven and let the brownie layer cool completely in the pan.
Making the Cookie Dough Topping
  1. In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until smooth.
  2. Stir in the vanilla extract, followed by the heat-treated flour and salt until well combined.
  3. Fold in the chocolate chips.
Assembly
  1. Once the brownie base has cooled, spread the cookie dough over it in an even layer.
  2. Chill in the refrigerator for about 30 minutes.
Frosting
  1. In a mixing bowl, beat the softened butter until creamy.
  2. Gradually add the powdered sugar and cocoa powder, alternating with milk.
  3. Mix in the vanilla extract.
Finishing Touch
  1. Spread the chocolate frosting over the chilled cookie dough layer.
  2. Cut the cake into squares, serve, and enjoy!

Notes

Allow the brownie base to cool completely before adding the cookie dough for best texture. Customize with nuts or different chocolates if desired. Store leftovers in an airtight container in the fridge for up to 4 days.