1 can cream of mushroom or cream of chicken soup
1/2 can milk
1/2 c. grated cheese
1 sm. chopped onion
Macaroni or egg noodles (cooked and drained)
1 can tuna (drained)

Mix soup, milk, cheese and onion. Add noodles, stir in tuna. Sprinkle more grated cheese on top and bake at 350 degrees for 30 minutes.