Lemon Squares
["1 c. all-purpose flour", "1/2 c. margarine or butter, softened", "1/4 c. powdered sugar", "2 eggs", "1 c. granulated sugar", "1/2 tsp. baking powder", "1/4 tsp. salt", "2 tsp. grated lemon peel (if desired)", "2 Tbsp. lemon juice", "powdered sugar"]
["Heat oven to 350\u00b0.", "Mix flour, margarine and 1/4 cup powdered sugar thoroughly.", "Press evenly in ungreased square pan, 8 x 8 x 2-inches, building up 1/2-inch edges.", "Bake for 20 minutes.", "Beat remaining ingredients, except powdered sugar, until light and fluffy, about 3 minutes.", "Pour over hot crust.", "Bake just until no indentation remains when touched in center, about 25 minutes longer.", "Cool; sprinkle with powdered sugar.", "Cut into about 1 1/2-inch squares.", "Makes 25 squares."]
["flour", "margarine", "powdered sugar", "eggs", "sugar", "baking powder", "salt", "lemon peel", "lemon juice", "powdered sugar"]