Wednesday, October 1, 2014

Birthday Rainbow Cake with Sprinkles

Written by, Bernadyn Nettles


Birthday Cake for My Little Girl


Last week, my daughter turned three!  It was a weekday so because of school and work, we didn't have much time to do too much celebrating.  She wanted to play at the park and have some rainbow cake.  We made this easy, fun, colorful rainbow cake with her favorite on top: sprinkles!  We'll be celebrating with more friends in a few weeks for a combined mother-daughter birthday party since our birthdays are a week apart. 

Spring Cake, Easter Cake, Girl's Cake

Birthday Girl

She picked out this fairy dress as her birthday dress to wear.  It came with wings and has flower petals in one of the pretty!

Easy Rainbow Cake

Spring Cake, Rainbows, Sprinkles
The cake filling was strawberry cream cheese icing.  It was delicious!

How to Make Rainbow Cake 

What You Need:

  • White cake recipe (For this cake, I just used a Duncan Hines white cake mix)
  • 2 round cake pans 
  • Several piping bags, depending on how many colors you want to use or you can use Ziplock sandwich bags, like I did.
  • A variety of food coloring, I used 5: red (to make pink), purple, blue, yellow and green
  • Cake frosting

Rainbow, Cake Recipe

We drank milk out of tea cups for a little tea party-style setting and set out marshmallows, one of her favorite treats.


  1. Grease the pans and preheat the oven to the instructed setting via your recipe directions.
  2. Make the cake batter or follow the box recipe as instructed.
  3. Separate the cake batter into separate bowls, using the same amount as the colors you're using.
  4. Put a couple food color drops into each bowl, depending how light or dark you want the colors.
  5. Stir each of them with a separate spoon.
  6. Pour each colored batter into its own piping or sandwich bag.
  7. If using sandwich bags, cut a small hole into the side bottom of the sandwich bag (wait until you fill the bag before cutting the hole) and swirl the batter into the pans.  Make sure you pour each color into both pans.
  8. Repeat this same process with each colored batter.
  9. You can take a spatula to gently swirl around the colors a little more if needed but be careful not to blend them together if you don't want the colors to combine.
  10. You can also just pick up the pan a little off the table and drop it a couple times to make the batter sit more evenly.
  11. Bake it for the appropriate time, until cake comes out a little bit golden or a toothpick comes out clean when inserted into cake.
  12. Let cakes cool completely before icing them.
  13. I like to place my cakes in the freezer to let them cool faster and to hold up better when icing them.

Ready to blow out her candles

 Frosting the Birthday Cake

I usually make homemade frosting but this time, we already had an opened store-bought frosting so I wanted to use the rest of that so not to waste.  The frosting was a little over halfway full so I added in 1 stick of softened butter and about 1 1/2 cups of powdered sugar.  I mixed it with an electric mixer until smooth.

After icing the cake, my daughter helped to add all the pretty sprinkles on top.  

Spring Cake, Easter Cake, Girl's Cake

Throughout her birthday week, we went to the zoo, visited Chuck E. Cheese, got frozen yogurt from her favorite fro-yo place (Sweet Frogs) and also made star and heart-shaped cake pops.  I'll be posting more photos and activities we did for her birthday in the next few weeks so be sure to come back and see them! 

What treats have you been creating lately?  I'd love to hear them!

Happy baking!


This post may have been shared at these parties.

I'm Co-hosting the Wordless Wednesday Party at Oh My Heartsie Girl all October!

Welcome To Wordless Wednesday September 30

I'd love to have you party with us all month!  Bring your fall/Halloween recipes, crafts, activities, pictures and anything family-friendly!  She's also having a giveaway for co-hosts for the month of November so be sure to enter if you'd like to co-host, too!

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