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A gorgeous double layer Cookies and Cream Birthday Cake displayed on a vintage glass cake stand.

Cookies and Cream Birthday Cake


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5 from 14 reviews

Description

This decadent birthday cake features moist, tender golden layers generously studded with chocolate sandwich cookie chunks. Finished with a velvety, cookie-infused buttercream, it is the perfect centerpiece for any celebratory gathering.


Ingredients

  • 2 1/2 cups all-purpose flour
  • 1 tablespoon cornstarch
  • 1 1/2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup unsalted butter, softened
  • 1/2 cup vegetable oil
  • 1 3/4 cups granulated sugar
  • 4 large eggs, room temperature
  • 2 large egg whites, room temperature
  • 1 cup buttermilk, room temperature
  • 2 teaspoons vanilla extract
  • 1 tablespoon white vinegar
  • 14 chocolate sandwich cookies, roughly chopped
  • Cookies and cream buttercream frosting


Instructions

  1. Preheat your oven. Set your oven to 160°C (320°F) with the fan on, or 175°C (347°F) for standard ovens, and grease two eight-inch cake tins with parchment paper lining.
  2. Chop the cookies. Roughly chop fourteen chocolate sandwich cookies into noticeable chunks and set them aside for the batter.
  3. Sift dry ingredients. Sift the flour, cornstarch, baking soda, baking powder, and salt into a large bowl, whisking to ensure even distribution.
  4. Cream fats and sugar. Beat the butter, vegetable oil, and sugar in a stand mixer on medium-high speed for two minutes until pale and fluffy.
  5. Incorporate the eggs. Add the room-temperature eggs one at a time, mixing well after each addition to maintain a stable emulsion.
  6. Add liquid aromatics. Add the vanilla extract, white vinegar, and half of the buttermilk, mixing on low speed until incorporated.
  7. Fold by hand. Fold in half the dry ingredients, then the remaining buttermilk, and finally the rest of the dry ingredients using a silicone spatula.
  8. Fold in cookies. Gently fold the chopped cookie pieces into the batter before dividing the mixture evenly between the prepared cake tins.
  9. Bake the layers. Bake for thirty-three minutes or until a wooden tester inserted into the center comes out clean.
  10. Assemble the cake. Once cooled, stack the layers with buttercream and cookie crumbles in between, then frost the exterior and decorate with whole cookies.

Notes

  • Ensure all dairy and egg components reach room temperature before mixing to prevent the batter from curdling.
  • Measure flour using a digital scale to avoid over-packing, which can lead to a dry crumb.
  • Use a fine-mesh sieve for dry ingredients to prevent clumps of leavening agents in the sponge.
  • Briefly warm the bowl over hot water if your buttercream becomes greasy to help the emulsion come together.
  • Cool your cakes completely in the pan for fifteen minutes before attempting to move them to a wire rack.
  • Prep Time: 15 mins
  • Cook Time: 33 mins
  • Category: Dessert
  • Method: Baking
  • Cuisine: American