Turn the oven on to 180° fan. Cream together the butter and sugar.
Beat in the two eggs until combined
Then mix in the self-raising flour and the vanilla extract and set aside the mixture.
Put 12 cupcake cases in a cupcake tin and put mixture in the cases with a ice-cream scoop or two spoons.
Bake in the oven for 15-20 minutes or until gold brown, stick a skewer in to the buns to make sure that they are baked. If they are baked then take them out of the oven and leave for 5 minutes then transfer to a cooling rack