Banana Sponge.

1 teacup of sugar, 1/2lb. butter, 2 eggs, small teaspoon soda (dissolved in 2 tablespoons milk), 2 large bananas, 1 1/2 breakfast cups flour, 1 1/2 teaspoons baking powder, 1 teaspoon vanilla essence. Beat butter and sugar and well-beaten eggs. Beat the bananas separately in another bowl and then add to cake mixture. Add milk and soda and flour with the baking powder; add essence. Bake in moderate oven for about. ¾ of an hour (do not open oven door to try it). Ice with chocolate icing.