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Perfect Leo Season Funfetti Birthday Cake Recipe with Gold Champagne Buttercream for Easy Celebration Fun

Leo Season Funfetti Birthday Cake - featured image
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A vibrant and joyful funfetti cake speckled with colorful sprinkles paired with a silky, subtly boozy gold champagne buttercream, perfect for last-minute celebrations and capturing the bold spirit of Leo season.

Ingredients

Scale
  • 2 ½ cups (300g) all-purpose flour
  • 2 ½ tsp baking powder
  • ½ tsp salt
  • ¾ cup (170g) unsalted butter, softened
  • 1 ¾ cups (350g) granulated sugar
  • 4 large eggs, room temperature
  • 2 tsp vanilla extract
  • 1 cup (240ml) whole milk, room temperature
  • ¾ cup (about 120g) rainbow sprinkles (Wilton’s classic rainbow jimmies preferred)
  • 1 cup (225g) unsalted butter, softened (for buttercream)
  • 4 cups (480g) powdered sugar, sifted
  • 3–4 tbsp (45-60ml) champagne or sparkling wine
  • 1 tsp vanilla extract (for buttercream)
  • 1 tsp edible gold dust or luster dust (optional)

Instructions

  1. Preheat oven to 350°F (175°C). Grease two 8-inch round cake pans and line bottoms with parchment paper.
  2. In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
  3. Using an electric mixer, beat ¾ cup softened unsalted butter and granulated sugar on medium-high speed until light and fluffy, about 3-4 minutes.
  4. Add eggs one at a time, beating well after each addition. Mix in 2 tsp vanilla extract.
  5. Reduce mixer speed to low. Add dry ingredients in three parts, alternating with milk, beginning and ending with flour mixture. Mix just until combined after each addition.
  6. Gently fold in rainbow sprinkles with a rubber spatula, being careful not to over-stir.
  7. Divide batter evenly between prepared pans and smooth tops.
  8. Bake for 28-32 minutes or until a toothpick inserted in the center comes out clean and cake springs back when pressed.
  9. Cool cakes in pans for 10 minutes, then turn out onto cooling racks to cool completely.
  10. For the buttercream, beat 1 cup softened unsalted butter until creamy, about 2 minutes.
  11. Gradually add sifted powdered sugar, mixing on low speed.
  12. Slowly add champagne and 1 tsp vanilla extract, then increase speed to medium-high and beat until light and fluffy.
  13. If desired, stir in edible gold dust for shimmer.
  14. Place one cake layer on serving plate and spread a generous amount of buttercream on top.
  15. Add second layer and cover entire cake with remaining frosting.
  16. Chill cake briefly and smooth edges with a warm spatula for a polished finish.

Notes

Use Wilton’s classic rainbow jimmies sprinkles to prevent color bleeding. Avoid overmixing batter after adding flour to keep cake tender. Room temperature butter is key for smooth buttercream. If buttercream is too soft, chill 10-15 minutes; if too stiff, add a splash of champagne or milk. For gluten-free, substitute flour with a 1:1 gluten-free blend containing xanthan gum. For non-alcoholic frosting, replace champagne with sparkling white grape juice or sparkling water with lemon juice.

Nutrition

Keywords: funfetti cake, birthday cake, champagne buttercream, gold buttercream, Leo season cake, celebration cake, easy birthday cake, colorful cake, festive cake

Find it online: https://morselora.com/perfect-leo-season-funfetti-birthday-cake-recipe-with-gold-champagne-buttercream-for-easy-celebration-fun/