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Homemade Funfetti Cake – Soft Vanilla Layers with Sprinkles

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Funfetti Layer Cake is a festive vanilla cake loaded with rainbow sprinkles and topped with fluffy vanilla buttercream. A joyful, colorful dessert perfect for birthdays and celebrations.

Ingredients

Scale

Cake:

  • 3 cups all-purpose flour

  • 1 tbsp baking powder

  • ½ tsp baking soda

  • ½ tsp salt

  • 1 cup unsalted butter, softened

  • 1½ cups granulated sugar

  • 4 egg whites + 2 whole eggs

  • 1 tbsp vanilla extract

  • 1 cup buttermilk

  • ½ cup rainbow jimmies sprinkles

Buttercream:

  • 1½ cups unsalted butter, softened

  • 5 cups powdered sugar

  • 23 tbsp milk or cream

  • 1 tbsp vanilla extract

  • Pinch of salt

Instructions

  • Preheat oven to 350°F. Grease and line three 8-inch cake pans.

  • Cream butter and sugar until fluffy. Add eggs and vanilla.

  • In separate bowls, mix dry ingredients and buttermilk.

  • Alternate adding dry ingredients and buttermilk to the batter.

  • Fold in sprinkles. Divide batter into pans and bake for 25–28 minutes.

  • Cool completely.

Notes

  • Use room temp ingredients.

  • Only use jimmies sprinkles to prevent bleeding.

  • Cake layers can be frozen before assembling.

  • Great as cupcakes, too.