Home » Cake » Rainbow Cake – Lynn’s Recipes

Rainbow Cake – Lynn’s Recipes

Lynn demonstrates how to make a viewer request for a Rainbow Cake. This is an easy recipe, but does take a little time to assemble. A great dessert for a children’s party or anytime.


3 cups flour
4 teaspoons baking powder
½ teaspoon salt
1 cup butter, softened,
2-1/2 cups sugar
5 egg whites
1 teaspoon vanilla
1-1/2 cups milk

Red, orange, yellow, green, blue and purple food coloring


You may need to double this recipe for your desired coverage.

3 cups powdered sugar
1 cup butter
1 teaspoon vanilla
1 Tablespoon cream

Preheat the oven to 350°. Using 6 cake pans, (I used the disposable aluminum pans, but you can bake in batches, if you don’t have 6 pans), grease and flour each one. Set aside.

Mix the flour, baking powder and salt in a small mixing bowl. Use a whisk to stir the ingredients to make sure they are fully incorporated.

In a large mixing bowl, cream the butter and sugar using a hand or stand mixer. Keep beating the ingredients while you slowly add the egg whites to the mixture. Add the vanilla and milk and continue mixing until all of the wet ingredients are combined.

Place half of the flour mixture into the large bowl with the wet ingredients. Use a spoon to stir it in, then add the other half of the flour mixture. Keep stirring until the flour is completely mixed in.

Divide the batter into equal amounts in six different bowls. Dye each bowl of batter a different color by pouring a few drops of the six different food colorings into the bowls. Stir batter well and continue adding food color until you get the color you desire. You won’t need to add as much of the gel food coloring as the liquid, because it is very concentrated.

Pour the batter into the greased cake pans. Bake in the preheated oven for about 15 minutes or until a toothpick or cake tester comes out clean. Don’t over bake and avoid the tops getting too brown.

When done, remove from the oven and cool.


In a large mixing bowl, beat the powdered sugar, butter, cream and vanilla on high, until the mixture becomes light and fluffy. If it seems too soft, add more powdered sugar until it becomes thicker and stiffer.

To assemble:

Place the purple layer on a cake stand or plate. Use an offset spatula and scoop a small amount of the icing onto the center of the cake. Spread evenly across the surface all the way to the edges. Next, add the blue layer and ice the same way, then the green, yellow, orange, and finally the red layer on top. Scoop icing onto the top of the cake and spread it evenly to the edges. Use more to cover the sides of the cake.

To finish, use rainbow sprinkles or nonpareils to decorate the top, if desired.

Printable Version: http://tinyurl.com/pa2balb

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Conversion Chart — http://www.lynnsrecipes.com/ccc
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  1. Can't find the recipe

  2. Lovely and delicious! vibrant colors!

  3. maryellen mcquown

    thank you very nice cake 

  4. Lynn Bechard-Hulley

    Gorgeous cake for a gloomy day (it's been raining all week)  :(  Thank you for this!  Can't wait to try it!

  5. This cake looks so good! I can't :( lol

  6. Loved this thank you!

  7. Lynn, what a gorgeous and delicious cake! I think that my son would love it if i make it for you next birthday! So pretty!

    Thanks for the complete recipe,

    Happy weekend,


  8. Barnali's Kitchen

    That rainbow cake is looking  AMAZING…..love the colors !!

  9. Welcome To Jen's World

    Lynn, your Rainbow Cake looks awesome! Thanks for sharing. Blessings to you and yours…

  10. Lynn, that is so colorful and looks delicious.
    Thanks for all your work,

  11. Chaos Kitchen 51

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  12. Nice :)

  13. Wow I'm really happy you made this cake!! It looks awesome :) thanks Mrs Lynn :D

  14. Lynn, your Rainbow Cake looks fantastic!  It is so pretty, and it came out so perfectly.  I'm sure it tastes wonderful!  Have a beautiful day!  Love,  –Betty  :)

  15. Cajun TV Network

    It's obvious you put in some time making this masterpiece! Thanks for sharing Lynn!

  16. Amy Lynn's Kitchen

    Your Rainbow Cake turned out gorgeous dear Lynn!  The colors are so vibrant… a beautiful and delicious looking cake.  Thanks so much for sharing.  Wishing you and yours a blessed day…

    Love you,

  17. Wow, just lovely. A showstopper for any party. Thanks Lynn.

  18. How wonderful are those colours Lunn. Wow they are nice. Awesome cake I love it. 

  19. What size is the cake pans?

  20. blessingseleven

    Lynn,  your Rainbow Cake looks so pretty.  I like the disposal pans idea to make this cake.  Thanks for sharing, your channel is awesome.  My grand children will love it.  Sally A.

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