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Perfect Confetti Sprinkle Smash Cake Recipe with Easy Vanilla Bean Buttercream

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A quick and easy vanilla smash cake with rainbow confetti sprinkles baked inside the batter, topped with creamy vanilla bean buttercream. Perfect for celebrations without the fuss.

Ingredients

Scale
  • 2 ½ cups (312.5 g) all-purpose flour, sifted
  • 2 ½ teaspoons (10 g) baking powder
  • ½ teaspoon (3 g) salt
  • 1 cup (227 g) unsalted butter, softened
  • 1 ¾ cups (350 g) granulated sugar
  • 4 large eggs, room temperature
  • 2 teaspoons (10 ml) pure vanilla extract or vanilla bean paste
  • 1 cup (240 ml) whole milk, warmed slightly
  • ¾ cup (about 120 g) rainbow confetti sprinkles (firm, small, non-melting)
  • 1 cup (227 g) unsalted butter, softened (for buttercream)
  • 4 cups (480 g) powdered sugar, sifted
  • 2–3 tablespoons (30–45 ml) heavy cream
  • 1 tablespoon vanilla bean paste or 1 vanilla bean scraped
  • Pinch of salt

Instructions

  1. Preheat oven to 350°F (175°C). Grease two 6-inch cake pans and line bottoms with parchment paper.
  2. In a large bowl, sift together flour, baking powder, and salt. Whisk to combine.
  3. In a mixer bowl, beat softened butter and granulated sugar on medium speed until pale and fluffy, about 3-4 minutes.
  4. Add eggs one at a time, beating well after each addition. Mix in vanilla extract or vanilla bean paste.
  5. Reduce mixer speed to low. Add dry ingredients in three parts, alternating with warmed milk, beginning and ending with dry ingredients. Mix each addition just until combined.
  6. Gently fold in rainbow sprinkles using a rubber spatula, taking care not to overmix.
  7. Divide batter evenly into prepared pans and smooth tops.
  8. Bake for 28-32 minutes or until a toothpick inserted in the center comes out clean. Start checking at 25 minutes to avoid overbaking.
  9. Let cakes cool in pans for 10 minutes, then turn out onto wire racks to cool completely.
  10. For the buttercream, beat softened butter on medium speed until creamy.
  11. Gradually add powdered sugar, mixing on low speed to avoid sugar cloud.
  12. Add heavy cream, vanilla bean paste, and pinch of salt. Beat on high for 3-4 minutes until fluffy and spreadable.
  13. Place one cake layer on serving plate. Spread a thick layer of buttercream on top.
  14. Add second layer and cover entire cake with remaining frosting.
  15. Optionally, sprinkle more confetti on top or press gently around edges.

Notes

Use firm, non-melting sprinkles to prevent color bleeding. Toss sprinkles lightly in flour before folding into batter. Room temperature ingredients blend better. If buttercream is too stiff, add more cream; if too soft, chill and re-whip. Lining cake pans with parchment paper helps with release and cleanup.

Nutrition

Keywords: confetti cake, smash cake, vanilla bean buttercream, sprinkle cake, birthday cake, easy cake recipe, colorful cake

Find it online: https://twinkletaste.com/perfect-confetti-sprinkle-smash-cake-recipe-with-easy-vanilla-bean-buttercream/