Mom'S Beef-Noodle Casserole
["1 Tbsp. margarine", "1 medium onion, chopped", "1 lb. ground beef", "2 c. chopped celery", "1 (8 oz.) pkg. noodles", "1 can tomato soup", "1 c. grated cheese"]
["Brown onion in skillet with margarine. Add meat and brown. Cook noodles in boiling, salted water.", "Also cook celery in salted water.", "Drain each.", "Mix onion, meat mixture, celery and noodles with undiluted tomato soup.", "Put in a shallow baking dish or casserole. Sprinkle grated cheese over the top and bake for 30 to 40 minutes in a 350\u00b0 oven."]
["margarine", "onion", "ground beef", "celery", "noodles", "tomato soup", "grated cheese"]