This Stunning Rainbow Roll Cake Is the Best Use For Boxed Cake Mix

This beauty will make any birthday special.

Boxed cake mix is no longer boring when it's transformed into this light and fluffy, swirly rainbow cake creation. Sure, it might look like a challenge, but with just a few drops of food coloring and a little bit of patience, anybody can achieve this impressive roll cake.

We love the rainbow pattern for birthday parties or kids' celebrations, but you can take this cake decorating concept in way more creative directions. Think school colors, sports team colors, or even red, white, and blue for the holidays. When a roll cake is this easy to achieve, you'll be tempted to pull it out for every occasion.

How to Make a Rainbow Roll Cake

Adapted from on

You'll need:

  • 1 (15.25 oz) box white cake mix
  • 6 large eggs
  • ¼ cup sour cream
  • ¼ cup water
  • ¼ cup vegetable oil
  • Food coloring (gel or liquid) in desired colors (red, orange, yellow, green, blue, purple)
  • ½ cup powdered sugar
  • 1 (16 oz) jar vanilla frosting
  • 1 ½ cups frozen whipped topping, thawed
  • Piping bags or large zip-top bags
  • 1 dish towel
  • Optional: ½ cup sprinkles
  1. Preheat the oven to 350 degrees F (177 degrees C). Line a large baking sheet (12x18in) with parchment paper and spray with cooking oil, then set aside.
  2. In a large mixing bowl, beat eggs with an electric mixer until thick and pale in color, about six minutes. Mix in cake mix, sour cream, water, and oil, beating on low speed for 30 seconds and then medium speed for one minute.

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