15-Min Rainbow Layer Cake
Layer store-bought vanilla cake or pound cake with colorful frosting and whipped cream for an Instagram-worthy dessert in minutes. Pairs perfectly with coffee for brunch or a quick celebration.
- Total time
- 15 min
- Servings
- 8
- Calories
- 520
- Protein
- 4g
Ingredients
- 1 package store-bought vanilla cake or pound cake (2 layers, 8 inch)
- ½ cup butter, softened
- 2 cups powdered sugar
- 1 set food coloring (red, orange, yellow, green, blue, purple)
- 1 cup heavy whipping cream
- 2 tbsp granulated sugar
Instructions
- 1
Beat softened butter and powdered sugar until fluffy, about 2 minutes.
- 2
Divide frosting into 6 bowls. Add a different food coloring drop to each bowl and stir until vibrant.
- 3
Level each cake layer with a serrated knife so they sit flat. Place the first layer on a cake board or plate.
- 4
Spread one stripe of each colored frosting across the first cake layer in rainbow order. Top with the second layer.
- 5
Whip heavy cream with sugar until stiff peaks form, about 2 minutes.
- 6
Spread whipped cream over the top and sides, then slice and serve with coffee.
Tools you’ll need
- electric mixer
- 6 small bowls
- serrated knife
- offset spatula or butter knife
- cake board or serving plate
- whisk or mixer
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