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Rainbow surprise cupcakes are sure to delight

Michelle is the author of the food craft blog, Sugar Swings, where she shares many sugar-inspired treats which are sprinkled with a lot geek and pop culture. Michelle is a working pharmacist and mom of three kiddos, so when not making tr...

These cupcakes with a surprise rainbow filling are the most fun dessert you'll make all year

These white vanilla cupcakes will surprise everyone with their colorful rainbow filling inside.

I love anything rainbow. I smile every time I see things in rainbow colors, and rainbow food is even better. These cupcakes will trick you too. They seem all plain white and boring, right?

These cupcakes with a surprise rainbow filling are the most fun dessert you'll make all year

But when you bite or cut inside and see the rainbow, you just have to grin from ear to ear.

These cupcakes with a surprise rainbow filling are the most fun dessert you'll make all year

It's pretty simple to get this effect too by removing the center of the cupcake and then filling the hole with your rainbow layers of frosting, adding 1 color at a time.

These cupcakes with a surprise rainbow filling are the most fun dessert you'll make all year

You could also just put the rainbow colors on top of the cupcakes too.

These cupcakes with a surprise rainbow filling are the most fun dessert you'll make all year

Both ways are pretty special in their own way, as you can see.

These cupcakes with a surprise rainbow filling are the most fun dessert you'll make all year

Vanilla cupcakes with rainbow cream filling recipe

You can use your favorite white cake or vanilla cupcake recipe, or use a boxed mix and canned frosting to save time. If you forgo the rainbow icing inside, you can just pipe the colors on top with your favorite icing tip.

Yields 18

Prep time: 45 minutes | Bake time: 15 minutes | Total time: 1 hour

Ingredients:

  • 1 box favorite cake mix (I used a white cake mix)
  • Food color gels in green, red, blue, yellow and purple
  • 4 cups white frosting (I used homemade vanilla buttercream, recipe below)

For vanilla buttercream frosting

  • 1 cup vegetable shortening
  • 2 sticks butter
  • 2 teaspoons clear vanilla
  • 8 cups confectioner's sugar
  • 2 tablespoons milk

Directions:

  1. Mix the cake batter per the directions on the box.
  2. Bake the cupcakes in white or neutral-colored liners.
  3. To make the buttercream frosting, beat together the shortening and the butter until well mixed. Add the vanilla. Add the sugar 1 cup at a time until combined. Add the milk as needed until the buttercream frosting is light and fluffy.
  4. Add about 3/4 cup of the frosting to 5 separate zip-lock freezer bags. Tint each bag of frosting with a different food gel color.

To assemble

  1. Using a knife, cut out the center of each cupcake (save the tops!).
  2. Snip off an end of the zip-lock bag, and fill the hole in the cupcake with each rainbow color in layers. Tap the cupcake after each color to ensure each buttercream layer is packed down.
  3. Top the filled cupcake with a piece of the cupcake scraps you removed.
  4. Frost the cupcake with the white buttercream to finish.

For tons of great recipes, like our I page on Facebook.

More fun rainbow treats

27 Fun, colorful rainbow recipes you need to pin now
Rainbow smoothie pops for healthy on-the-go snacking
This rainbow cake will surprise you when you cut into it (VIDEO)

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