1 c. macaroni
1 1/2 c. chopped onion
1 c. cheese
1 can cream of mushroom soup
1 can tuna or corned beef

Cook macaroni as directed; drain. Put in soup, onion, tuna or corned beef, cheese. Mix together, then add 1 to 1 1/2 cup milk. Put in baking dish and crumble potato chips on top. Bake at 350 degrees for 30 minutes.