Six eggs, 1 cup granulated sugar, juice of one half lemon, 1 cup flour, 1 teaspoonful of baking powder, pinch of salt.

Beat egg yolks, until thick, add sugar sifted, then lemon juice and one half of the whites, beaten; mix, and then add the flour sifted with the baking powder and salt, add the remainder of the whites, mix lightly and bake in ungreased sponge cake pan in moderate oven lightly and bake in ungreased sponge cake pan in moderate oven about 30 to 40 minutes. Cool in pan, then cut loose to remove.