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A beautiful sliced cookies and cream birthday cake decorated with whipped buttercream frosting on a white stand.

Cookies and Cream Birthday Cake


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

5 from 8 reviews

Description

This delightful cookies and cream cake features tender, fluffy vanilla sponge layers studded with chocolate sandwich cookies. It is finished with a silky, cloud-like buttercream, making it an easy and impressive centerpiece for any celebration.


Ingredients

  • 300g all-purpose flour
  • 1 tablespoon cornstarch
  • 1 teaspoon baking soda
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 cup unsalted butter, softened
  • 1/2 cup vegetable oil
  • 1 1/2 cups granulated sugar
  • 3 large eggs, room temperature
  • 1 tablespoon vanilla extract
  • 1 teaspoon white vinegar
  • 1 cup buttermilk, room temperature
  • 28 chocolate sandwich cookies, divided
  • 3 cups icing sugar
  • 2 tablespoons milk


Instructions

  1. Prep the equipment. Preheat oven to 160°C (320°F) and grease two 8-inch cake tins, lining the bottoms with parchment paper.
  2. Chop the cookies. Roughly chop 14 chocolate sandwich cookies into medium-sized chunks for the cake batter.
  3. Whisk dry ingredients. Sift the flour, cornstarch, baking soda, baking powder, and salt together in a large bowl.
  4. Cream butter mixture. Use an electric mixer to beat the butter, oil, and sugar until pale and fluffy.
  5. Incorporate wet ingredients. Beat in the eggs one by one, then add the vanilla, vinegar, and half the buttermilk.
  6. Combine the batter. Fold in the dry ingredients alternating with the remaining buttermilk until just combined, then fold in the chopped cookies.
  7. Bake the layers. Pour batter into prepared pans and bake for 33 minutes or until a toothpick inserted into the center comes out clean.
  8. Cool completely. Allow layers to cool in pans for 20 minutes before transferring to a wire rack to cool fully.
  9. Whip the frosting. Beat butter, icing sugar, vanilla, and milk until fluffy, then fold in 14 crushed cookies.
  10. Assemble the cake. Frost the cooled layers, stacking them and covering the exterior, then decorate with extra cookie crumbs.

Notes

  • Ensure all dairy and egg ingredients reach room temperature before mixing to prevent the butter from curdling.
  • Use a digital scale to measure your flour precisely to maintain the intended moisture levels in the crumb.
  • Avoid over-mixing the batter once the flour is added to ensure the cake layers remain light and tender.
  • Dip your knife in hot water and wipe it dry between cuts for perfectly clean, professional-looking cake slices.
  • Prep Time: 15 mins
  • Cook Time: 33 mins
  • Category: Dessert
  • Method: Baking
  • Cuisine: American