Preheat oven to 150°

Mix your butter and sugar with electric whisk

Add vanilla extract,eggs and self raising flour slowly and mix until fluffy

Pour mixture into cupcake cases in a pan and put in the oven for 25-28 minutes then take out after 28 minutes to cool

For the butter cream add into a bowl butter,icing sugar,vanilla extract and milk then whisk until fluffy

Put butter cream in a piping bag (remember to double bag it) and pipe on to cupcake when cool in any design you like (sprinkles are optional)

Enjoy