Preheat oven to 180

Grease 2 tins 7inch

Cream the butter and sugar until light and creamy

Add the eggs one at a time until combined

Sieve in the flour and baking powder and fold in to the mixture

Divide the mix between the two tins leveling with a knife

Place in the oven for 15 mins or until golden

Allow to cool on wire rack, spread jam in middle and sandwich together and sieve icing sugar over top