Recipe courtesy of Kardea Brown

Celebration Smash Cake

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  • Level: Intermediate
  • Total: 2 hr (includes cooling time)
  • Active: 1 hr
  • Yield: 12 servings
To me, when it comes to celebrating birthdays, there isn't such a thing as too many sprinkles. That's why I love this smash cake and birthday cake combo. I stir sprinkles into the batter AND decorate with sprinkles once the cakes are frosted. I love to use large confetti sprinkles to decorate the large cake.



Vanilla Buttercream:


Special equipment:
2 6-inch cake pans, 3 8-inch cake pans
  1. For the cake: Grease and flour 2 6-inch cake pans and 3 8-inch cake pans. Preheat the oven to 350 degrees F. Stir together the flour, baking powder, baking soda and salt in a large bowl.
  2. Beat the butter and granulated sugar together on medium speed with an electric mixer until creamy. Beat in the egg whites until fluffy. Add the sour cream and vanilla and beat until smooth. Add the flour mixture alternately with the milk in three additions, beginning and ending with the flour mixture. Fold in the sprinkles.
  3. Spoon the batter into the prepared pans. Bake the 6-inch pans for until a toothpick inserted in the center comes out clean, 18 to 20 minutes. Bake the 8-inch pans until a toothpick inserted in the center comes out clean, 20 to 22 minutes. Remove the cakes to wire racks to cool in the pans 5 minutes. Turn out onto wire racks to cool completely.
  4. For the vanilla buttercream: Beat the butter at medium speed with an electric mixer until creamy. Add the powdered sugar, 1 cup at a time, until combined. Add the cream, vanilla and salt and beat to a spreadable consistency. Tint some of the frosting with blue food coloring, if desired.
  5. Build the cake: Stack the 8-inch cakes with frosting spread between the layers. Stack the 6-inch cakes on top of the 8-inch ones and spread frosting between the layers. Frost the top and side of the cake. Decorate with confetti and/or blue sprinkles, if desired.

Cook’s Note

Find the large confetti sprinkles at craft stores and online.