Chocolate Icing
["4 sq. chocolate, melted", "2 1/2 c. 10x sugar", "1 unbeaten egg", "1/4 c. hot water", "6 Tbsp. butter or margarine"]
["Mix sugar and water into melted chocolate.", "Beat in egg.", "Add butter, 1 spoon at a time, beating well after each.", "Ice cake."]
["chocolate", "sugar", "egg", "hot water", "butter"]