Hot Fudge Sauce
["1 pkg. chocolate", "1 can evaporated milk", "2 tsp. vanilla", "1 c. butter or margarine", "4 c. powdered sugar"]
["Melt butter and chips over medium heat.", "Gradually add evaporated milk, then powdered sugar and vanilla.", "Bring to boil; boil about 5 minutes.", "Stir constantly."]
["chocolate", "milk", "vanilla", "butter", "powdered sugar"]