How to Make Rainbow Frosting
This tutorial shows you how to make rainbow frosting for piping on cakes, cupcakes, and cookies!
Servings: 1 batch
Ingredients
- Buttercream Frosting see notes on types
- Gel Food Coloring red, yellow, orange, green, blue, purple
Tools
- Bowls
- Spatula
- Piping Bags
- Plastic Wrap
Instructions
- Portion out your frosting equally among six bowls or cups. You can eyeball it or use a kitchen scale to make it exact. Each bowl will represent one color of the rainbow.
- Add a small of gel food coloring to each bowl and mix well. Gradually add more until you reach your desired shade. !
- Lay a piece of plastic or saran wrap on a counter or table. Pipe vertical lines of each frosting color in rainbow order (red, orange, yellow, green blue, and purple) next to each other on a plastic wrap. You can also just just plop it down using a spatula or spoon and gently shape into lines.
- Spread: Spread out a pe of plastic wrap flat on the counter. Pipe vertical lines of each color in rainbow order (red, orange, yellow, green blue, and purple) next to each other on a plastic wrap. You can also just just plop it down using a spatula or spoon and gently shape into lines.
- Roll up the plastic wrap to create a frosting log with buttercream colors, making sure they are tightly wrapped so they don’t push out when piping. Snip the end of the piping bag and frost your cupcakes or cake!
- Add to a piping bag and use on your favorite desserts!
Notes
- American buttercream, Swiss Meringue buttercream, Italian buttercream or store bought frosting all work!
- Use gel food coloring for the most vibrant colors.
- Check out my full blog post on coloring buttercream frosting, including tips for getting super dark colors without tons of food dye.
- It helps to make sure all the colors are fairly distinct. If you’re purple is too close to the shade of your blue, it can start to look murky. I prefer using royal blue or sky blue rather than navy blue for this reason.