1 pkg. egg noodles
1 1/2 lbs. ground beef
1 onion, chopped
Salt and pepper to taste
1 can cream of mushroom soup
1 can tomatoes
Cheese slices

Cook noodles and drain. Brown onions and hamburger. Add meat mixture, salt, pepper, soup, and tomatoes to noodles. Place cheese slices on top. Bake at 350 degrees until cheese melts.