Heavenly Hot Fudge Sauce
["1/2 c. butter", "3 c. sugar", "1/2 tsp. salt", "4 oz. unsweetened chocolate", "1 can (14 1/2 oz.) evaporated milk"]
["Melt butter in top of double boiler; add chocolate and blend. Add sugar, milk and salt and cook on low heat, stirring frequently for 20 minutes.", "Store in refrigerator.", "Makes one quart."]
["butter", "sugar", "salt", "unsweetened chocolate", "milk"]