Martha'S Torte
["8 egg whites", "1 1/2 tsp. vanilla", "1 Tbsp. vinegar", "2 c. sugar"]
["Beat the egg whites, vanilla and vinegar until stiff.", "Add the sugar, one tablespoon at a time, and beat until very stiff. Grease two 9-inch layer cake pans with oleo. Divide batter in each. Bake at 300\u00b0 for 1 hour and 15 minutes.", "When cool, remove from pan."]
["egg whites", "vanilla", "vinegar", "sugar"]