Lemon Bars
["2 1/2 c. flour, divided", "3/4 c. powdered sugar, divided", "1 c. softened margarine", "1/2 tsp. baking powder", "4 eggs, beaten", "1/3 c. lemon juice", "2 c. sugar"]
["Combine 2 cups flour and 1/2 cup powdered sugar.", "Cut in margarine with a pastry blender until mixture resembles cornmeal. Spoon flour mixture into 13 x 9 x 2-inch baking dish; pressing mixture evenly and firmly into bottom of dish.", "Bake at 350\u00b0 for 20 to 25 minutes or until crust is lightly browned.", "Combine 1/2 cup flour and baking powder; set aside.", "Combine eggs, 2 cups sugar, and lemon juice; beat well.", "Stir dry ingredients into egg mixture and pour over baked crust.", "Bake at 350\u00b0 for additional 25 minutes or until lightly brown and set.", "Cool on wire rack.", "Sprinkle with 1/4 cup powdered sugar and cut into bars.", "Yields about 2 dozen bars."]
["flour", "powdered sugar", "margarine", "baking powder", "eggs", "lemon juice", "sugar"]