
First up, pre-heat the oven to 180˚C/ 160˚C fan/ gas mark 4. Line a muffin tin with 12 Pastel Cupcake cases.
Put the margarine in a mixing bowl with the caster sugar and mix together until creamy.
Add in the eggs, vanilla an =d flour, and mix until smooth and combined.
Divide the mixture equally between the cupcake cases and smooth over the tops.
Bake for about 15-20 minutes until risen, golden brown and a skewer comes out clean. Transfer to wire racks to cool completely.
Using a knife, carefully cut a circle out of the top of each cake approx. 1cm away from the edge, discarding any access, Spoon in the jam into the holes.
Make the buttercream: Add butter to a bowl and mix until fluffy, add in the icing sugar, and vanilla, and mix. Split the mixture into 3 bowls. Keep one white, and then colour one with blue, one with pink. Pop 1/3 of the blue and 1/3 of the pink in a bowl and mix this together to make purple.
Spread or pipe the buttercream on the cupcakes and decorate with the sprinkles and toppers.
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