Lemon Squares
["1/4 lb. (1 stick) butter", "1 c. flour", "1/4 c. powdered sugar", "2 eggs", "1 c. sugar", "2 tsp. flour", "1/2 tsp. baking powder", "juice of 1 lemon"]
["Mix butter, flour and powdered sugar.", "Pack into 9 x 9-inch pan.", "Bake 10 minutes at 350\u00b0.", "Beat eggs.", "Add sugar, flour, baking powder and lemon juice.", "Mix well and spread on crust. Bake at 350\u00b0 for 25 minutes.", "Cut into squares."]
["butter", "flour", "powdered sugar", "eggs", "sugar", "flour", "baking powder", "lemon"]