step 1
Set the oven to 180C. Butter 2 sandwich tins with a 20cm diameter
step 2
Cream the butter and sugar together until light and fluffy, and then slowly add the beaten egg.
step 3
Fold in the sifted flour and spoon the mixture into the prepared cake tins
step 4
Bake for 20 minutes. Leave to cool and then remove from the tins
step 5
Whip the cream until thick and use it to fill the sponge with the jam
step 6
Dust liberally with icing sugar to serve