Tuna Melt Casserole (Jenn)


2/3 pkg. (10 oz.) macaroni shells (cooked), 1 (6 1/8 oz.) can light tuna, 1 can cream of celery soup, soup can milk, 1 T. minced dried onion, 2 T. margarine, c. cheddar cheese (shredded).

Mix together. Grease baking dish. Bake at 350 for 30 minutes.