Now in a shallow pan for a faster cooking time! Classic family pleasing cheese ravioli in a homemade white sauce with large pieces of sliced chicken - choose for all or just half of your rav-sagna to be topped with seasoned spinach and artichokes - then the entire casserole is finished with gooey mozzarella cheese! (Shallow 9x13 pan serves 4.) (Frozen: Bakes from frozen in approximately 60-75 minutes) (Store frozen for up to 3 months!)