Seven Minute Frosting
["2 egg whites", "1 1/2 c. sugar", "1/2 c. cold water", "dash of salt", "3 Tbsp. Karo", "1/2 tsp. vanilla"]
["Place the egg whites in top of double boiler.", "Add all ingredients except vanilla.", "Place over boiling water.", "Have mixer in hand and start beating as soon as you place egg whites and other ingredients over boiling water.", "Beat until thick and fluffy.", "Add vanilla.", "Spread over 3 cake layers."]
["egg whites", "sugar", "cold water", "salt", "vanilla"]