Rainbow Cake

Nothing says “I love you” like a homemade birthday cake, especially when it matches the tastes of the person for whom its baked. As you are dedicating your time and effort to really please a person. So if you want to have a real wow factor at a party but don’t want it to be to difficult then this is the perfect recipe. Can alter it to fit your criteria and make it as big or small as you would like it. If you’ve got the motivation and the determination to try something new this will be a crowd pleasure. Creating a little slice of heaven for someone truly makes my day, so if you want to do something special for your kid’s birthday party, a friend’s birthday, or who ever then this certainly will be the centre of attention.


For the four layer cake you will need:


  • 250g butter, softened, plus a little extra for greasing
  • 550g plain flour
  • 300g golden caster sugar
  • 6 eggs
  • 2 tsp baking powder
  • pinch of salt
  • 2 tsp vanilla extract
  • edible food colouring – red, orange, yellow, green, blue and purple, etc


  1. Heat oven to 180C/160C Grease 2 x 20cm round tins (can be any shape you want, if you have four can do it all in one go) and line the bases with baking paper.
  2. Mix all the ingredients (not the food colouring yet) into a mixing bowl, then beat with an electric whisk until smooth.
  3. Weigh the mixture into four bowls (so we get even layers) Pick 4 of your colours and stir a little into each mix.
  4. Keep going until you are happy with the colour  (the colour of the batter now will be very similar to the finished cake)
  5. Scrape the different batters into the tins, trying to spread and smooth as much as possible
  6. Bake on the same oven shelf for 15 mins until a skewer poked into the middle comes out clean.
  7. Gently turn the cakes out onto a wire rack to cool and pull off baking paper. (If only have two tins must repeat the baking step again)
  8. Leave them all to cool before the fun bit of layering and decorating.

Now for the butter-cream icing


  • 600g icing sugar, sifted
  • 500g unsalted or salted butter, softened
  • 1 tsp vanilla extract
  • Decoration (I used M&M’s, can use whatever creative ideas you want to decorate the cake)

(Can play around with quantities, if you want a lot then clearly alter the recipe to your desire)

One can omit the butter-cream icing and go for a fondant cover if want a nice smooth surface


Beat the icing sugar and butter together, can now add flavouring and colouring if using, and beat until smooth



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