Lemon Surprise
["1 stick margarine, melted", "1/2 c. nuts, chopped", "1/3 c. brown sugar", "1 c. self-rising flour"]
["Mix well and pat out thin into a 9 x 13-inch pan.", "Bake at 325\u00b0 for 15 minutes."]
["margarine", "nuts", "brown sugar", "flour"]