Zucchini Casserole
["1 1/2 lb. Italian sausage", "2 medium zucchini, sliced", "chopped celery and onion if desired", "1 1/2 c. spaghetti sauce"]
["Parboil sausage 10 minutes.", "Add zucchini until heated through. Pour 1/2 cup sauce into casserole dish; add drained sausage and zucchini.", "Add balance of sauce on top.", "Bake at 350\u00b0 until zucchini is tender.", "Add Mozzarella cheese if desired.", "Return to oven an additional 5 minutes.", "Let stand 5 minutes before serving."]
["Italian sausage", "zucchini", "celery", "spaghetti sauce"]