Sunday, August 14, 2011

How to: Bake a Rainbow Cake

  In honor of Aurora's birthday, I decided to bake a cake. I had a few ideas, seen here. But it wasn't until I stumbled upon the rainbow cake, that I fell in love. How perfect is a rainbow cake for a 10 year old girl? She's never had a proper birthday cake or party, so Mom and I decided to surprise her completely with it. Let me just say this cake was a labor of love. I baked the cakes before and wrapped them up to place in the fridge till I was ready to assemble. Apparently, you do this so the cake firms up and will stack better. By no means am I saying this cake was perfect, but it was pretty darn good in my oh so humble opinion. 

First off here are a few tips for baking:

  • Preheat the oven (Too often I forget to do this)
  • Cake pans should be buttered and then sprinkle with powdered sugar (it's like the flour trick but yummier)
  • Use three bowls and two cake pans and just constantly clean them
  • It is SO MUCH easier with two people (Mom cleaned while I mixed and poured)
  • Make an assembly line out of the process
  • Use an electric beater 
  • Make one batter, pour out into three separate bowls, then use the leftover batter to mix with the other box and pour four bowls out of the second box
  • Dip a fork into the color, then use that fork to mix the batter, it is almost always the right color 
  • Keep one bowl always with batter, so you can just the intensity of the color, too make them all similar shades
  • Bake the day before you want the cake
  • Set aside two hours to three hours for baking

-Two boxes cake mix (Duncan Hines is very good!)
-Cake mix ingredients (mine called for oil, eggs and water)
-Powdered Sugar
-Icing colors (I bought the Wilton 8 pack and just didn't use the brown)
-Wax or Parchment Paper
-Gallon sized Ziploc baggies


  1. Preheat the oven. Butter then powdered sugar the cake pans.
  2. Mix one box of cake mix, pour into three separate bowls and tint each bowl.
  3. Pour each batter into a cake pan, bake for about 10- 15 minutes
  4. While baking, mix up the next box of a cake batter.
  5. Pour into four separate bowls and tint each.
  6. Allow cakes to cool on a rack before placing on paper and wrapping up.
  7. Wrap each cake then place in Ziploc baggie. Allow cakes to rest overnight in the fridge before use


Check back tomorrow for how to ice the cake! What's your favorite cake mix? Do you have a go to birthday cake? Or do you always order your birthday cake?


  1. Looks amazing and super fun!!!!!

  2. thanks for the recipe! i want to make one for my baby sister who's turning 2, and i couldn't find a good recipe anywhere but you had the perfect one, really simple to follow as well (which i need, lol) thank you!!!!! :D <3

  3. that is so awesome sweet


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