Lemon Bar
["1 c. flour", "1 stick butter, softened at room temperature", "8 oz. cream cheese, softened", "1 c. powdered sugar", "1 c. Cool Whip", "2 boxes instant lemon pudding", "3 c. milk (for both pkg. pudding)", "1/2 c. nuts (optional)"]
["Combine flour and butter; cut with fork like pie crust.", "Pat in bottom of a 9 x 13-inch pan.", "Bake at 375\u00b0 until light brown."]
["flour", "butter", "cream cheese", "powdered sugar", "lemon pudding", "milk", "nuts"]