Lemon Bars
["1 c. (1/2 lb.) margarine", "2 c. flour", "1 c. powdered sugar", "4 eggs", "2 c. sugar", "1 Tbsp. lemon juice", "4 to 5 Tbsp. flour"]
["Mix the first 3 ingredients and pack in a sheet cookie pan or into a 9 x 13 dish. Bake at 350\u00b0 for 15 to 20 minutes."]
["margarine", "flour", "powdered sugar", "eggs", "sugar", "lemon juice", "flour"]