This bright rainbow cake can be used for birthday cakes, special occasions and just about any time you want to create a splash of colour. It looks and tastes great and is quite easy to whip up!

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Food colouring
red
yellow
pink
green
orange
purple
blue

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Buttercream icing
200g butter, softened 2 tbsp vanilla extract 2 1/2 cups icing sugar mixture 2 tbsp milk