Chocolate Fudge Or Frosting
["2 c. sugar", "1/4 c. white corn syrup", "1/2 c. milk", "1/4 tsp. salt", "2 (1 oz. each) sq. unsweetened chocolate", "1/2 c. margarine", "1 tsp. vanilla"]
["Mix all ingredients, except vanilla, together thoroughly. Stir over low heat until chocolate and margarine are melted. Then, stirring constantly, bring rapidly to a full boil.", "Boil to 220\u00b0 or until a small amount forms a soft ball when dropped in cold water."]
["sugar", "white corn syrup", "milk", "salt", "unsweetened chocolate", "margarine", "vanilla"]