15-Min Rainbow Cake Layer Stack
Stack store-bought plain cake layers with bright gel food coloring mixed into whipped frosting, then chill. A viral no-bake shortcut that looks showstopping.
- Total time
- 15 min
- Servings
- 8
- Calories
- 385
- Protein
- 3g
Ingredients
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Open the appInstructions
Step 1
Pour heavy cream into a bowl. Beat with an electric mixer until soft peaks form, ~2 minutes.
Step 2
Add powdered sugar and vanilla extract. Beat until stiff peaks form, ~2 minutes more.
Step 3
Divide frosting into 4 small bowls. Add a different gel color to each bowl and stir until smooth.
Step 4
Place first cake layer on a cake stand or plate. Spread 2 tbsp red frosting evenly on top.
Step 5
Stack second layer on top. Repeat with yellow frosting, then green, then blue between remaining layers.
Step 6
Frost the outside with any remaining frosting. Sprinkle with rainbow decorations if desired.
Step 7
Chill for at least 5 minutes before slicing to set the frosting.
Tools you’ll need
- bowl
- electric mixer
- 4 small bowls
- cake stand or plate
- offset spatula or butter knife
- cake server or large knife
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