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Perfect Confetti Sprinkle Layer Cake with Gold Drip and Diploma Topper

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A festive and colorful vanilla layer cake with rainbow sprinkles folded into the batter, topped with silky buttercream, an edible gold drip, and a personalized diploma topper. Perfect for graduations and celebrations, this cake is both impressive and approachable for home bakers.

Ingredients

Scale
  • 2 ½ cups (320g) all-purpose flour, sifted
  • 2 ½ teaspoons baking powder
  • ½ teaspoon salt
  • 1 cup (227g) unsalted butter, softened
  • 1 ¾ cups (350g) granulated sugar
  • 4 large eggs, at room temperature
  • 1 tablespoon pure vanilla extract
  • 1 cup (240ml) whole milk, warmed slightly
  • ¾ cup (120g) rainbow confetti sprinkles, preferably non-melting variety
  • 1 cup (227g) unsalted butter, softened (for buttercream)
  • 4 cups (480g) powdered sugar, sifted
  • 2 teaspoons pure vanilla extract (for buttercream)
  • 3 to 4 tablespoons (45-60ml) heavy cream or whole milk (for buttercream)
  • Pinch of salt (for buttercream)
  • ½ cup (90g) white chocolate chips (for gold drip)
  • 3 tablespoons (45ml) heavy cream (for gold drip)
  • 1 to 2 teaspoons edible gold luster dust
  • 1 teaspoon vegetable oil (for gold drip)
  • ¼ cup white fondant or gum paste (for diploma topper)
  • Edible gold marker or food coloring pen (for diploma topper)
  • Thin ribbon or edible gold strip (optional for wrapping diploma topper)

Instructions

  1. Preheat oven to 350°F (175°C). Grease and lightly flour two 8-inch round cake pans. Line bottoms with parchment paper.
  2. In a medium bowl, sift together flour, baking powder, and salt. Set aside.
  3. Using a mixer, beat softened butter and granulated sugar on medium-high speed until pale and fluffy, about 4-5 minutes.
  4. Add eggs one at a time, beating well after each addition. Mix in vanilla extract.
  5. Reduce mixer speed to low. Add dry ingredients in three batches, alternating with warmed milk, starting and ending with flour mixture. Mix just until combined.
  6. Gently fold in rainbow confetti sprinkles with a rubber spatula, being careful not to overmix.
  7. Divide batter evenly between prepared pans and smooth tops gently.
  8. Bake for 30-35 minutes, rotating pans halfway through, until a toothpick inserted in the center comes out clean.
  9. Cool cakes in pans for 10 minutes, then invert onto cooling racks to cool completely.
  10. For buttercream, beat softened butter on medium speed until creamy. Gradually add powdered sugar on low speed.
  11. Add vanilla extract, heavy cream, and salt. Beat on high for 3 minutes until fluffy. Adjust cream for spreadable consistency.
  12. Level cake layers if needed. Place one layer on cake board, spread about ¾ cup buttercream evenly.
  13. Top with second layer and apply a thin crumb coat all over. Chill for 20 minutes.
  14. Apply a smooth final layer of buttercream using an offset spatula dipped in hot water for smooth edges.
  15. For gold drip, heat heavy cream in a small saucepan until just simmering.
  16. Pour hot cream over white chocolate chips and vegetable oil in a bowl. Let sit 2 minutes, then stir until smooth.
  17. Mix in edible gold luster dust until shiny and smooth. Cool slightly but keep pourable.
  18. Carefully drip gold glaze around cake edges using a spoon or small piping bag, letting it run down sides. Cover top with remaining glaze and smooth out.
  19. Roll out fondant thinly and cut a small rectangle about 3×1.5 inches (7.5x4cm). Write message or draw lines with edible gold marker.
  20. Roll thin ribbon or edible strip around fondant and place on top of cake. Let set for 10 minutes.
  21. Add extra sprinkles on top if desired. Chill cake briefly to set drip before serving.

Notes

Fold sprinkles gently to avoid color bleeding. Adjust buttercream creaminess by adding heavy cream a teaspoon at a time. Test gold drip temperature before applying to cake. Chill cake after crumb coat for smooth frosting finish. Use metal pans for even baking; glass pans may require longer baking time.

Nutrition

Keywords: confetti cake, sprinkle cake, layer cake, gold drip cake, graduation cake, celebration cake, vanilla cake, buttercream frosting, homemade cake

Find it online: https://tomyumy.com/perfect-confetti-sprinkle-layer-cake-recipe-easy-homemade-gold-drip-tutorial/