Lemon Squares
["2 sticks butter", "1/2 c. powdered sugar", "2 c. flour", "4 eggs, well beaten", "1/2 tsp. salt", "2 c. sugar", "8 Tbsp. lemon juice", "4 Tbsp. flour"]
["Mix first 3 ingredients and spread in a 9 x 13-inch pan.", "Cook at 350\u00b0 for 15 to 20 minutes.", "Then mix last 5 ingredients and put on top.", "Bake at 325\u00b0 for 30 minutes.", "Sprinkle powdered sugar on top and bake 15 minutes more."]
["butter", "powdered sugar", "flour", "eggs", "salt", "sugar", "lemon juice", "flour"]