3 1/2 ounces of butter
3 eggs
4 ounces of sugar
The rind and juice of 1/4 lemon
3 tablespoons of flour

Separate the egg yolks and whites. Cream the butter or margarine and sugar, add yolks gradually. Fold in the flour alternately with stiffly beaten egg whites. Add the lemon rind and juice. Steam for about three-quarters to one hour. Serve with chocolate sauce.