Frosting For Fresh Grapefruit Cake
["1 1/2 c. sugar", "2 egg whites", "1 Tbsp. light corn syrup", "1/2 tsp. salt", "1/3 c. fresh grapefruit juice", "1 Tbsp. grated peel", "2 tsp. vanilla extract"]
["Cook together sugar, egg whites, corn syrup, salt and juice for 7 minutes or until stiff peaks.", "Remove from heat.", "Add grapefruit peel and vanilla.", "Beat 1 to 2 minutes, until frosting is thick enough to spread."]
["sugar", "egg whites", "light corn syrup", "salt", "fresh grapefruit juice", "peel", "vanilla extract"]