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Ultimate Funfetti Cake Recipe with Creamy Vanilla Buttercream Frosting

ultimate funfetti cake - featured image

A nostalgic and easy-to-make funfetti cake with colorful sprinkles and a smooth vanilla buttercream frosting, perfect for celebrations or a cheerful treat.

Ingredients

Scale
  • 2 ½ cups (315g) all-purpose flour
  • 2 ½ teaspoons baking powder
  • ½ teaspoon salt
  • 1 cup (225g) unsalted butter, softened
  • 1 ¾ cups (350g) granulated sugar
  • 4 large eggs, room temperature
  • 1 tablespoon pure vanilla extract
  • 1 cup (240ml) whole milk, room temperature
  • ½ cup (90g) rainbow sprinkles (jimmies recommended)
  • 1 cup (225g) unsalted butter, softened (for buttercream)
  • 4 cups (480g) powdered sugar, sifted
  • 2 teaspoons vanilla extract (for buttercream)
  • 34 tablespoons (45–60ml) heavy cream or whole milk (for buttercream)
  • Pinch of salt (for buttercream)

Instructions

  1. Preheat the oven to 350°F (175°C). Grease two 8-inch round pans and lightly dust with flour or line with parchment paper.
  2. In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
  3. In a large bowl, beat softened butter and sugar on medium-high speed until light and fluffy, about 3 to 4 minutes.
  4. Add eggs one at a time, beating well after each addition. Stir in vanilla extract.
  5. Reduce mixer speed to low. Add dry ingredients in three parts, alternating with milk, beginning and ending with dry ingredients. Mix just until combined.
  6. Gently fold in sprinkles with a rubber spatula, being careful not to overmix.
  7. Divide batter evenly between prepared pans and smooth the tops. Bake for 30–35 minutes or until a toothpick inserted in the center comes out clean.
  8. Let cakes cool in pans for 10 minutes, then invert onto a cooling rack to cool completely.
  9. While cakes cool, beat softened butter for buttercream until creamy (about 2 minutes). Gradually add powdered sugar on low speed to avoid sugar clouds.
  10. Add vanilla extract, heavy cream, and a pinch of salt. Beat on high for 3 minutes until light and fluffy. Adjust cream for desired consistency.
  11. Place one cake layer on a serving plate. Spread an even layer of buttercream on top, then place the second layer above.
  12. Frost the top and sides smoothly. Optionally, decorate with extra sprinkles.

Notes

Use room temperature eggs and butter for better texture. Fold sprinkles gently to prevent color bleeding. Do not overmix batter to avoid toughness. Let cake cool completely before frosting to prevent buttercream from melting. Adjust buttercream consistency with cream or powdered sugar as needed.

Nutrition

Keywords: funfetti cake, vanilla buttercream, birthday cake, sprinkles, easy cake recipe, celebration cake