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Rainbow Cake

Brighten up your kitchen with our fabulous Rainbow Cake!

It looks incredible and tastes even better; would be perfect for getting your little ones involved, too!

If you like the look of this recipe, give it a try for yourself.

  • Cook Time: 10mins
  • Total Time: 40mins

Category: Dessert,Cakes


  • 2 Betty Crocker Velvety Vanilla Cake Mix
  • 180ml Vegetable Oil
  • 6 medium eggs
  • Red, Orange, Yellow, Green, Blue, Purple strong food colourings
  • 3 tubs Betty Crocker Vanilla Buttercream
  • Rainbow Sprinkles


1. Empty both packets of cake mix into a large mixing bowl.
2. Add the oil and all 6 eggs, whisking until a smooth batter is formed.
3. Divide equally between 6 bowls. Add a single colour to each of the 6 mixes, stirring through until a bold colour is formed.
4. Add mixes to 6 lined 8” cake tins, bake in 2 or 3 batches at 180ºC for 10 minutes.
5. Allow to cool in the tin for 15mins before transferring to a wire rack to cool completely.
6. Begin stacking cakes with a 1/2cm layer of vanilla buttercream between each layer in the
order; purple, blue, green, yellow, orange and finishing with red on top.
7. Cover the entire cake with a generous layer of vanilla buttercream and smooth out.
8. Decorate with your favourite sprinkles.

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