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–+ servings
Slices of rainbow cake with vanilla frosting and rainbow sprinkles on a cake serving plate.

Easy Rainbow Cake Recipe

This Easy Rainbow Cake is a show-stopping dessert made with a simple layering technique and vibrant rainbow colors. Perfect for birthdays, St. Patrick’s Day or any festive celebration!
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Prep Time 15 minutes
Cook Time 36 minutes
Total Time 51 minutes
Servings 10 servings

Equipment

  • 8-cup bundt pan

Ingredients  

  • Cooking spray
  • 1 (15.25-oz.) box white or yellow cake mix
  • 3 large eggs
  • 1 cup water
  • 1/2 cup vegetable oil
  • Food coloring (red, orange, yellow, green, blue and purple)
  • Vanilla frosting, for decorating
  • Sprinkles, for decorating

Instructions 

  • Preheat the oven to 350°F. Grease an 8-cup bundt pan with cooking spray.
  • In a large bowl, stir together the cake mix, eggs, water and vegetable oil.
  • Divide the batter evenly into six small bowls. Using the food coloring, dye each of the bowls of batter a different color.
  • Pour the red batter into the bundt pan, then top it with the orange, yellow, green, blue and purple.
  • Bake the cake until a toothpick inserted comes out clean (or according to package instructions), 33 to 36 minutes.
  • Remove the cake from the oven and let it cool completely before inverting onto a serving plate. 
  • Frost the completely cooled cake then decorate with sprinkles. Slice and serve. 

Video

How to Make an Easy Rainbow Cake

Kick up the color of dessert with this simple tutorial for how to make a rainbow cake. SUBSCRIBE: bit.ly/JustaTasteYouTube

Notes

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