Schaum Torte
["6 eggs", "1/8 tsp salt", "1/8 tsp cream of tartar", "2 c. sugar", "1/8 tsp vanilla", "1 tsp vinegar"]
["Beat 6 egg whites until frothy, 1/8 tsp salt sprinkled over egg whites, add 1/8 tsp cream of tartar.", "Beat until stiff.", "Add 2 c. sugar very slowly, beating after each addition, then 1/8 tsp vanilla and 1 tsp vinegar with last addition of sugar."]
["eggs", "salt", "cream of tartar", "sugar", "vanilla", "vinegar"]