Rainbow Cupcakes

Rainbow Cupcakes

I’m kicking off National CupcakeWeek a little early. I made these to take to work and take donations for charity in return. They went over pretty well and all 18 I brought in were gone before lunch!

Rainbow Cupcakes

I used the vanilla cupcake and frosting recipe from the Love Bakery book, but you can use your favorite vanilla recipe.

Rainbow Cupcakes

Gel food coloring will work best as it will give off a brighter color. Make sure to use a clean spoon for each color so each layer shows up. I tripled the recipe but only get 18 cupcakes.

Rainbow Cupcakes

Rainbow Cupcakes

Yield: 18 cupcakes



375g unsalted butter at room temperature

375g caster sugar

4 1/2 tsp vanilla

6 eggs, at room temperature

375g self raising flour

1 1/2 tsp baking powder

9 tbs milk


250g unsalted butter, at room temperature

500g icing sugar, sifted

2tsp vanilla

2 tbs milk


  1. Preheat the oven to 350 F/180 C. Line the muffin tray with paper liners. In a medium bowl sift together the flour and baking powder. Set aside.
  2. In a large bowl beat together the butter, sugar and vanilla for a few minutes until light and fluffy.
  3. Add the eggs one at a time, mixing after each addition. Scrape down the sides of the bowl as needed.
  4. Add the flour mixture until incorporated and then add the milk.
  5. Scoop the batter evenly among six bowls. Weigh the batter if necessary.
  6. Mix in the gel color for each layer of the rainbow (red, orange, yellow, green, blue and violet). Make sure to mix well to make sure the gel is fully incorporated.
  7. Spoon half to three quaters of a teaspoon of each color into the cups. I did a practice cup first and I spooned to much. The cup should only be about 1/2-3/4 full.
  8. Bake for 25 minutes and place on a cooling rack before frosting.
  9. Make the frosting by creaming the butter until light and fluffy. Add in the powdered sugar slowly. Beat in vanilla and milk. If necessary add in more milk one tablespoon at a time until desired consistency is reached.
  10. Once the cupcakes are cooled. Spread or pipe the frosting on each cupcake.

adapted from Love Bakery 


Rainbow Cupcakes

Enjoy watching everyone ohh and ahh over the inside when they take a bite! What’s everyone making for national cupcake week 2011?

Love Bakery Book (US and UK)

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  1. I LOOOOOOOOOOOOOOOOOOOOOOVE it… I’m seriously developing a crush on you, woman. You are SO creative!

    • Cupcake Kelly

      aww, shucks you’re making me blush!

      • Until you post something else, I have made it my mission every morning to come look at these again and sigh in appreciation.

        And I fully intend to shamelessly lift the idea to make bleu, blanc, rouge ones for francophonie day this year. With due credit to you, of course.

        • Cupcake Kelly

          Go for it! I’ve got loads of posts to write up. I’ve just been stuck on boring admin stuff for the new blog.

  2. Fabulous! I shall try this recipie out very soon. Thanks :)

  3. These look so good! I think I might make these for my sons birthday next month. I need to get a scale though, I’m not sure I am smart enough to convert the recipe into cups. haha!

    • Getting a scale is a good investment. I bought a cheap one year ago for £5. I recently invested in a slightly nicer one that measures liquid as well and got it on sale for £10.

      roughly (I’ve done my best) the recipe would be: 2 1/2 cups flour, 3 1/4 sticks of butter, 1 2/3 cup sugar.

  4. I love how the colours have stayed so clean and distinct – stunning cupcakes!

  5. They look so colourful and just put a big smile on my face :) Thanks for brightening up my Monday!

  6. Waouou =) Magnifique !!!
    J’adore les cupcakes !!!

  7. These are amazing looking! I’m sure you could apply the same theory to a cake, right? You would just layer the batters into a cake pan?

    • Cupcake Kelly

      You could totally make a two layer cake this way or even more fun is to make a 6 layer cake with each layer a color of the rainbow! It is m goal to make one like this one day!


      • Wow, cool cake! It’s so beautiful. I’m making my friend a Peanut Butter, Mocha cake for his bday. I am going to attempt to do the rainbow cake, like you did the cupcakes on the inside as surprise. Wish me luck and thanks for posting these cupcakes, they are amazing!

  8. ha ha, these are delightful! Applause…

  9. This cupcakes is fantastic colour! My son will be 2 next week and we are planning a Mickey Mouse Clubhouse theme. I think this cupcake will be fantastic with the theme. Will let you know the outcomes! xx

  10. *theme birthday party (press the submit button too quick- you can tell that I am too excited with this lol!)

  11. WOW! I admire anyone who can bake but to be able to achieve something so beautiful I’m in awe! congrats


  12. Hello :)
    The cupcake’s look really beautiful *__*
    I think i make it later :)

    Good wishs

    Ps: I like your Blog


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