4 oz. elbow macaroni
1 can cream of mushroom soup
2/3 c. water
1 sm. can tuna fish
6 slices American cheese
1/2 c. crushed potato chips

Cook macaroni until tender; drain. Heat soup and water. Place 1/2 of macaroni in buttered baking dish. Add 1/2 of soup mixture and 1/2 of tuna fish. Mix slightly. Make a layer of cheese using 3 slices. Place remaining macaroni, soup mixture and tuna in baking dish. Layer remaining cheese. Top with crushed potato chips. Bake for 25 minutes in 350 degree oven.