Just Jenn Recipes

Rainbow Cupcakes

It’s the last week of school and I thought I’d thank the kid’s hard working teachers by giving them a rainbow, a super cupcake rainbow!

These little treats taste just the same as a vanilla cupcake but are fun and pretty. Topped with a light and airy mascarpone frosting, the end of the year couldn’t be sweeter.

Rainbow Cupcakes

Ingredients:

3/4 cup (1-1/2 sticks) unsalted butter
2 cups sugar
3 eggs
1 Tablespoon vanilla
2-1/2 cups cake flour
1-1/2 teaspoons baking powder
1/2 teaspoon baking soda
1/4 teaspoon kosher salt
1 cup whole milk
gel food coloring (red, orange, yellow, blue, purple)
mascarpone frosting

Instructions:

Preheat oven to 350 degrees. Prep a cupcake pan with liners.

In a medium bowl, whisk the cake flour, baking powder, baking soda and salt in a bowl. Set aside.

Cream the butter and sugar until fluffy. Carefully add the eggs one at a time until incorporated, then add the vanilla. Alternate the milk and the dry ingredients.

Once the batter has come together, separate it evenly into 5 small bowls.

I like gel food coloring best because you don’t need a lot and it doesn’t change the taste or texture of the cake. Add the food coloring, one color to each bowl stirring until incorporated.

By the Tablespoonful add the colors one by one into the liners. I go with the colors of the rainbow and start with purple, then move to blue, yellow, orange…

…and then finally red. Bake for approx 15 minutes depending on your oven.

Let cool on a wire rack and then frost with mascarpone frosting.

9 Responses to “Rainbow Cupcakes”

  1. Hi Jenn – those look so cool! my daughter would love these!

  2. Jenn says:

    These look amazing. How do you make, or where do you get the “petal liners”?
    Thanks!

  3. Jennifer says:

    Hi Jenn –
    first time reader here and I love this! I’d like to try it with yellow beet, red beet, purple beet, and blueberry juices, too! I find that it doesn’t alter the flavor much, with how little you end up using. Thanks for the awesome post – I look forward to reading!
    Jennifer

  4. justJENN says:

    @Jenn
    I get the liners at a local baking supply store but you can find them online at BakeItPretty.com, too.

  5. Eileen says:

    Holy crap this is an amazing website. I love your creations! I can’t wait to make the rainbow cupcakes!

  6. Cheryl says:

    Can your marscapone frosting be dyed and what would you use to dye it?

  7. Cheryl says:

    Shoot, pressed “post” too quick – wanted to say I can’t wait to make this!

  8. justJENN says:

    @Cheryl It can be dyed, but I always use gel dye for food, never liquid. Adding liquid to any recipe will always change the texture and outcome.

  9. than says:

    I love your website! Will this recipe give me 12 cupcakes? I have to bake 50 cupcakes. Also your mascarpone frosting recipe, about how many cupcake would i be able to frost with? THANK YOU!

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