Lemon Squares
["1 c. flour", "1/2 c. margarine", "1/4 c. powdered sugar", "2 eggs", "1 c. sugar", "1/2 tsp. baking powder", "1/4 tsp. salt", "1 tsp. grated lemon peel", "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-inch).", "Bake 20 minutes.", "Beat remaining ingredients except powdered sugar until light and fluffy.", "Pour over hot crust; bake 25 minutes longer.", "Cool.", "Sprinkle with powdered sugar."]
["flour", "margarine", "powdered sugar", "eggs", "sugar", "baking powder", "salt", "lemon juice", "powdered sugar"]