Tuna Casserole
["2 c. macaroni", "1 tsp. salt", "1 can tuna, drained", "1/4 c. shredded cheese", "2 Tbsp. chopped onion", "1 Tbsp. margarine", "1 can cream of mushroom soup", "1 soup can of milk"]
["Cook macaroni in boiling water with salt until tender; drain. Add tuna, cheese, onion, margarine, soup and milk.", "Mix well. Place in baking dish.", "Bake for 30 minutes in 350\u00b0 oven."]
["macaroni", "salt", "tuna", "shredded cheese", "onion", "margarine", "cream of mushroom soup", "milk"]