FOR THE CUPCAKES
Preheat the oven to gas mark 4/180°C/fan 160°C
Line 12 cupcake cases on a cupcake tin
Put butter and caster sugar in a bowl
Crack 2 eggs and vanilla extract into the bowl
Sift flower and cocoa powder into to the bowl
Mix together using an electric whisk and divide mixture into the cases
Bake for 15-20 minutes
Cool before putting buttercream on
FOR THE BUTTERCREAM
Put the butter, icing sugar and milk into a bowl
Beat with an electric whisk
Spread the buttercream over the cupcakes.
Decorate with the Guylian Sea Shells!