7 Minute Frosting
["1 c. white Karo syrup", "1/8 tsp. cream of tartar", "1/4 c. sugar", "2 egg whites", "1 tsp. vanilla"]
["Have water boiling in bottom of double boiler.", "Place all ingredients in top pan.", "Place in bottom pan; reduce heat.", "Beat over heat 2 minutes.", "Remove from heat and beat 5 more minutes."]
["white Karo syrup", "cream of tartar", "sugar", "egg whites", "vanilla"]