Lemon Bars
["1/2 c. (1 stick) margarine", "1 c. flour", "1/4 c. powdered sugar", "2 eggs, slightly beaten", "2 Tbsp. lemon juice", "1/2 tsp. finely grated lemon rind", "1/2 tsp. baking powder", "1 c. sugar", "2 Tbsp. flour"]
["Crust:", "Combine 1/2 cup margarine, 1 cup flour and 1/4 cup powdered sugar.", "Cut fine with pastry blender.", "Pour into a 9-inch square pan.", "Press on bottom until spread flat all over.", "Bake at 350\u00b0 for 15 minutes.", "This should not be brown."]
["margarine", "flour", "powdered sugar", "eggs", "lemon juice", "lemon rind", "baking powder", "sugar", "flour"]