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Cookies 'n Cream Sheet Cake

Chocolate sheet cake with Oreos and cream cheese frosting! This cake is perfect for any party or get together!
Prep Time 20 minutes
Cook Time 18 minutes

Ingredients

For the Chocolate Sheet Cake:

  • 2 cups granulated sugar
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 2 large eggs lightly beaten
  • 1/2 cup buttermilk
  • 1 teaspoon pure vanilla extract
  • 1 cup unsalted butter
  • 1/4 cup cocoa powder
  • 1 cup hot water
  • 1 cup chopped Oreo cookies

For the Cream Cheese Frosting:

  • 1 8 oz package cream cheese, at room temperature
  • 1/2 cup butter
  • 4 cups powdered sugar sifted
  • 1 teaspoon vanilla extract
  • Oreo cookies chopped-for topping the cake

Instructions

  1. To make the sheet cake: Preheat oven to 350 degrees. Grease a sheet pan with cooking spray and set aside. I use an 11 x 17 jelly roll pan.
  2. In a large mixing bowl, whisk together sugar, flour, baking soda, and salt. In a separate bowl, whisk together eggs, buttermilk, and vanilla extract. Set aside.
  3. In a small sauce pan, melt the butter on medium-low heat. Whisk in the cocoa powder and hot water. Turn up the heat to medium-high and bring the mixture to a boil. Add the melted butter mixture to the dry ingredients and mix until smooth. Stir in the egg mixture and mix until ingredients are combined. Stir in the chopped Oreo cookies.
  4. Pour the batter into the prepared sheet pan and tap on the counter a few times to distribute the cake batter evenly. Bake the cake for 18 minutes, or until a toothpick comes out clean when inserted in the center.
  5. While the cake is baking, make the cream cheese frosting. In the bowl of a stand mixer, beat the cream cheese, butter, sifted powdered sugar, and vanilla together. Beat with the beater blade until smooth and creamy.
  6. When the cake is completely cool, frost the cake with the cream cheese frosting. Sprinkle the cake with chopped up Oreo cookies. Cut into squares and serve.