Tuna Fish Casserole
["1 1/2 c. broken noodles", "1 can cream of mushroom soup or cream of chicken soup", "1/2 c. evaporated milk", "7 oz. can tuna fish, drained", "1 c. grated processed American cheese", "1/3 c. onion, diced"]
["Cook noodles in unsalted water and drain.", "Mix with soup, milk, tuna, cheese and onion.", "Pour into greased 1 1/2-quart baking dish.", "Top with broken potato chips or grated cheese.", "Bake in hot oven at 425\u00b0 until bubbly hot, about 15 minutes."]
["noodles", "cream of mushroom soup or cream of chicken soup", "milk", "tuna fish", "American cheese", "onion"]