Seven Minute Frosting
["1 egg white (unbeaten)", "7/8 c. granulated sugar", "3 Tbsp. cold water", "1/2 tsp. vanilla", "1/4 tsp. baking powder"]
["Put first 3 ingredients in top of double boiler.", "Place over boiling water; beat with beater for 7 minutes or until thick. Take from fire, add flavoring.", "Beat until thick and nearly cold; add baking powder.", "Continue to beat until thick enough to spread on cake without running.", "Sufficient for a loaf or 2-layer cake."]
["egg", "sugar", "cold water", "vanilla", "baking powder"]