Chocolate Cream Cheese Frosting
["1/4 c. butter or margarine", "1 (8 oz.) pkg. cream cheese", "3 oz. (3 sq.) unsweetened chocolate, melted", "dash of salt", "3 c. sifted confectioners sugar", "1/3 c. light cream", "1 tsp. vanilla extract"]
["Cream butter; add cheese, chocolate and salt.", "Blend.", "Add sugar alternately with cream, beating thoroughly after each addition.", "Add vanilla.", "Spread on white or yellow cake layers."]
["butter", "cream cheese", "unsweetened chocolate", "salt", "confectioners sugar", "light cream", "vanilla extract"]