Lemon Squares
["1 c. flour", "1/4 c. confectioners sugar", "1 c. granulated sugar", "1/4 tsp. salt", "1/2 c. butter, softened", "2 eggs", "1/2 tsp. baking powder", "2 Tbsp. lemon juice"]
["Cream flour, confectioners sugar and butter; press in ungreased square pan.", "Bake at 350\u00b0 for 20 minutes."]
["flour", "confectioners sugar", "sugar", "salt", "butter", "eggs", "baking powder", "lemon juice"]