Lemon Squares
["2 1/4 c. flour", "1/2 c. powdered sugar", "2 sticks margarine", "4 eggs", "1/3 c. lemon juice", "2 c. sugar", "1/4 tsp. salt", "1/2 tsp. baking powder"]
["Combine 2 cups flour and 1/2 cup powdered sugar in bowl.", "Cut in margarine until mixture clings together.", "Press into 9 x 13-inch baking dish.", "Bake at 350\u00b0 for 20 to 25 minutes.", "Combine eggs, lemon juice, sugar, salt, baking powder and 1/4 cup flour in bowl.", "Beat until smooth.", "Pour over baked layer.", "Bake for 25 minutes longer."]
["flour", "powdered sugar", "margarine", "eggs", "lemon juice", "sugar", "salt", "baking powder"]