You’ll Need:White Layer 6 egg whites 1/2 teaspoon cream of tartar Salt 1/2 cup cake flour 1/2 teaspoon vanilla extract 3/4 cup granulated sugar Yellow Layer 6 egg yolks 3/4 cup granulated sugar 3/4 cup flour 1/4 cup boiling water Salt 1 teaspoon lemon extract 1 teaspoon baking powderDirections :