Description
A delightful Funfetti Birthday Cake with three layers of soft, moist white cake filled with rainbow sprinkles, topped with fluffy vanilla buttercream.
Ingredients
Scale
- 3¾ cups all-purpose flour
- 2½ teaspoons baking powder
- 1 teaspoon salt
- 2⅓ cups granulated sugar
- 1 cup unsalted butter, softened
- ⅓ cup vegetable oil
- 1 tablespoon vanilla extract
- 1⅓ cups buttermilk, room temperature
- 7 large egg whites, room temperature
- ⅔ cup rainbow jimmies
- 1 pound unsalted butter (for frosting)
- 2 pounds powdered sugar
- ½ teaspoon salt (for frosting)
- 1 tablespoon vanilla extract (for frosting)
- 3 to 4 tablespoons heavy cream (for frosting)
- Rainbow sprinkles, for decorating
Instructions
- Preheat the oven to 350°F. Lightly grease three 8-inch round pans and line with parchment paper.
- Mix flour, baking powder, and salt in a bowl and set aside.
- Cream sugar, butter, and oil together until smooth and creamy.
- Add egg whites in three additions, mixing between each addition. Add vanilla and beat briefly.
- Alternate adding the dry ingredients and buttermilk, ending with dry ingredients. Gently fold in rainbow jimmies.
- Divide the batter evenly among the pans and bake for 32 to 38 minutes.
- Cool the cakes in the pans for 10 minutes before transferring to wire racks.
- Beat butter and salt for frosting until smooth, then gradually add powdered sugar and heavy cream until creamy.
- Frost the cake layers, assemble, and decorate with sprinkles as desired.
Notes
For a buttermilk substitute, mix whole milk with lemon juice or vinegar. This cake pairs well with various frostings.
- Prep Time: 30 minutes
- Cook Time: 38 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 450
- Sugar: 35g
- Sodium: 300mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 1g
- Carbohydrates: 55g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 50mg
Keywords: cake, funfetti, birthday, dessert, vanilla, sprinkles