Lemon Dessert
["1/2 c. margarine", "1 1/2 c. flour", "1/2 c. walnuts", "8 oz. cream cheese", "3/4 c. powdered sugar", "8 oz. Cool Whip", "2 small pkg. instant lemon pudding", "3 c. milk", "nuts for top, if desired"]
["Grease bottom of 9 x 13-inch pan."]
["margarine", "flour", "walnuts", "cream cheese", "powdered sugar", "instant lemon pudding", "milk", "nuts"]