Lemon Squares
["1/2 c. powdered sugar", "2 c. flour", "1 c. butter", "4 eggs, beaten", "2 c. sugar", "6 Tbsp. lemon juice (ReaLemon is okay)", "4 Tbsp. flour", "1/2 tsp. baking powder"]
["Mix powdered sugar, 2 cups flour and butter; press into pan (9 x 13-inch).", "Bake at 350\u00b0 for 25 minutes."]
["powdered sugar", "flour", "butter", "eggs", "sugar", "lemon juice", "flour", "baking powder"]