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Galaxy Decorating Kit - How To




Recipe for sponges:

  • 300g butter or margarine at room temperature
  • 300g caster sugar
  • 300g self raising flour
  • 6 medium eggs
  • 1-2 tsp of each food colour

Vanilla Buttercream:

  • 500g butter at room temperature
  • 800g icing sugar, sifted
  • 1-2 tsp vanilla flavour


Galaxy Cake Step 1
Step 1
Preheat oven to 160ºC / 180ºC fan/Gas Mark 3.
Galaxy Cake Step 2
Step 2
Place butter and sugar into a bowl and beat until light, fluffy and pale in colour.
Galaxy Cake Step 3
Step 3
Add eggs and flour and combine all the ingredients together.
Galaxy Cake Step 4
Step 4
Separate the mixture evenly into three bowls and add purple, pink and blue food colouring to each.
Galaxy Cake Step 5
Step 5
Using a tbsp or ice cream scoop, spoon each colour into the tin randomly and swirl with a toothpick for a marble effect. Bake for 25-30 minutes until well risen and firm to touch.
Galaxy Cake Step 6
Step 6
Leave to cool in the tin for a few minutes then turn out onto a cooling rack. Leave to cool completly.
Galaxy Cake Step 7
Step 7
Beat the the butter, sifted icing sugar and vanilla flavour together until smooth to make the buttercream..
Galaxy Cake Step 8
Step 8
Trim and level your cakes. Layer each sponge using buttercream.
Galaxy Cake Step 9
Step 9
Add the black food colouring to the remaining buttercream and coat the cake.
Galaxy Cake Step 10
Step 10
Decorate with sprinkles and enjoy! Tag @pmecake so we can see your amazing cakes!
Tip 1
To avoid a wonky cake, make sure your layers are neatly trimmed. For a straight top use a cake leveller and for the sides place a cake board slightly smaller than the cake and trim off the cake crust using a serrated knife!
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Tip 2
Test bake your colours with a cupcake to help you decide on a shade of colour!