Sponge Cake
["1 c. cake flour", "1 c. sugar", "1/2 tsp. salt", "1/2 tsp. baking powder", "6 eggs, separated", "1/4 c. cold water", "1 tsp. vanilla", "1 tsp. lemon"]
["Beat 6 egg whites with 1/2 teaspoon cream of tartar until soft mounds form.", "Add 1/4 cup sugar and beat until stiff.", "Combine egg yolks, cold water, vanilla and lemon.", "Blend egg yolk mixture with dry ingredients.", "Beat 1 minute.", "Fold egg yolk mixture into egg white mix (1/4 at a time).", "Do not stir.", "Pour into ungreased tube pan.", "Cut through batter to remove bubbles.", "Bake at 325\u00b0 for 60 minutes.", "Invert pan and leave until cool."]
["cake flour", "sugar", "salt", "baking powder", "eggs", "cold water", "vanilla", "lemon"]