Description
A colorful, fun, and festive cake layered with fluffy vanilla sponge, creamy buttercream, and loads of rainbow sprinkles. Perfect for birthdays, parties, or any celebration that calls for joy and sweetness!
Ingredients
Scale
- 2 ½ cups all-purpose flour
- 2 ½ tsp baking powder
- ½ tsp salt
- 1 cup (2 sticks) unsalted butter, softened
- 2 cups granulated sugar
- 4 large eggs, room temperature
- 1 tbsp vanilla extract
- 1 cup whole milk, room temperature
- ½ cup rainbow sprinkles (for folding into batter)
- 1 ½ cups (3 sticks) unsalted butter, softened (for buttercream)
- 5 cups powdered sugar
- ¼ cup heavy cream (more if needed for consistency)
- 2 tsp vanilla extract (for buttercream)
- Pink gel food coloring (optional)
- Rainbow nonpareil sprinkles (for sides & topping)
- Extra frosting for swirls
- Piping bag with star tip
Instructions
- Preheat oven to 175°C (350°F). Grease and line three 8-inch round cake pans.
- In a bowl, whisk flour, baking powder, and salt.
- In a large bowl, cream butter and sugar until fluffy (about 3 minutes).
- Beat in eggs one at a time, then add vanilla.
- Alternate adding dry ingredients and milk, mixing just until combined.
- Fold in rainbow sprinkles gently.
- Divide batter evenly among pans.
- Bake for 25–30 minutes, until a toothpick comes out clean. Let cool completely.
- Beat butter until creamy for the buttercream.
- Add powdered sugar gradually, mixing until smooth.
- Add heavy cream and vanilla, beat until fluffy.
- Tint with pink food coloring if desired.
- Place one cake layer on a stand, spread buttercream on top.
- Add second and third layers, spreading frosting between each.
- Frost the entire cake with a thin crumb coat, chill for 20 minutes.
- Add a final smooth layer of buttercream.
- Press rainbow sprinkles onto the sides of the cake.
- Pipe large frosting swirls on top.
- Sprinkle extra nonpareils over the swirls.
Notes
- Ensure all ingredients are at room temperature for best results.
- Adjust the amount of heavy cream in the buttercream for desired consistency.
- Store the cake in an airtight container at room temperature for up to 3 days.
- Prep Time: 30 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 450
- Sugar: 40g
- Sodium: 200mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 60g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 80mg