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Homemade Confetti Cake

13 reviews
Test Kitchen Approved
Total Time

Prep: 30 min. Bake: 35 min. + cooling

Makes

16 servings

Updated: May. 20, 2023
This is a moist and fluffy vanilla cake with lots of sprinkles and a whipped vanilla buttercream. It's almost impossible not to feel happy when you see the fun pop of rainbow confetti! —Courtney Rich, Highland, UT
Homemade Confetti Cake
Homemade Confetti Cake Recipe photo by Taste of Home
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Ingredients

  • 1 cup unsalted butter, room temperature
  • 1/3 cup vegetable oil
  • 1-3/4 cups sugar
  • 3 large eggs, room temperature
  • 3 large egg whites, room temperature
  • 1 tablespoon vanilla extract
  • 3 cups cake flour
  • 2 teaspoons baking powder
  • 1 teaspoon salt
  • 1 cup buttermilk, room temperature
  • 1/4 cup rainbow sprinkles
  • BUTTERCREAM:
  • 1-1/2 cups unsalted butter, softened
  • 4-1/2 cups confectioners' sugar, sifted
  • 3 tablespoons heavy whipping cream
  • 2 teaspoons clear vanilla extract
  • Soft pink paste food coloring

Directions

  1. Preheat oven to 325°. Grease a 13x9-in. baking dish. In a large bowl, cream butter, oil and sugar until light and fluffy, 5-7 minutes. Add eggs, then egg whites, 1 at a time, beating well after each addition. Beat in vanilla. In another bowl, whisk flour, baking powder and salt; add to creamed mixture alternately with buttermilk, beating well after each addition. Fold in sprinkles.
  2. Transfer to prepared pan. Bake until a toothpick inserted in center comes out clean, 35-40 minutes. Cool completely on a wire rack.
  3. For buttercream, in a large bowl, beat butter until creamy. Gradually beat in confectioners’ sugar until smooth. Add cream, vanilla and food coloring. Beat until light and fluffy. Frost top of cake with frosting, and, if desired, top with additional sprinkles.

Nutrition Facts

1 piece: 823 calories, 47g fat (26g saturated fat), 138mg cholesterol, 279mg sodium, 97g carbohydrate (75g sugars, 0 fiber), 6g protein.