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Rainbow Swirl Frosting

Rainbow Swirl Frosting

Add a splash of color to your desserts with Rainbow Swirl Frosting. This easy-to-make, vibrant frosting is perfect for cakes, cupcakes, and cookies, bringing joy to any event. With its delightful vanilla flavor and beautiful presentation, it’s sure to impress your guests. Try it today for a sweet treat that looks as good as it tastes!
Prep Time 30 minutes
Total Time 30 minutes
Course Desserts
Servings 16 servings
Calories 150 kcal

Equipment

  • Wooden Spoon
  • Mixing Bowl

Ingredients
  

  • 1 recipe Vanilla Buttercream Frosting see note to use canned frosting
  • Food Coloring colors: orange, yellow, green, blue, purple

Instructions
 

  • Divide frosting among 6 bowls.
  • Tint each bowl of frosting a different color, stir to mix.
  • Place each frosting color in a sandwich bag and cut off one tip.
  • Lay a sheet of plastic wrap on your work surface.
  • Pipe a straight vertical line in each color, right next to each other, in the order of the rainbow: red, orange, yellow, green, blue, purple.
  • Roll up the plastic wrap and twist the ends. Cut off one end.
  • Fit a piping bag with desired tip. Add the frosting log.
  • Frost cupcakes or cake as desired.

Notes

  • Substitute: 3 cans vanilla or white icing from the store.
  • Use GEL food coloring: for best results.
  • Mixing colors: if you don’t have all 6 colors, refer to the box or website of the brand you’re using to find the color chart for mixing desired colors.
  • Want pink in your rainbow? Skip the red and use pink instead.
  • Storage: Store cupcakes or cake loosely covered on the counter for up to 2 days, in the refrigerator for 4 days or freeze frosting for up to 2 months. Thaw in refrigerator.
Keyword Buttercream Frosting Ideas, Colorful Frosting Recipe, Rainbow Swirl Frosting, Vibrant Cake Decoration