Beat together ¾ lb. butter and ¾ lb. sugar, and the whites of eight eggs, stiffly whipped, and ½ lb. flour, and ½ lb. maizena, sifted together. Fold the flour and maizena in lightly. When thoroughly mixed, pour into a cake tin which has been greased and floured, and bake in a moderate oven for three-quarters of au hour.