4 or 5 med. potatoes, peeled and sliced
1 1/2 lbs. ground beef (brown in big chunks)
1 lg. onion
1 lg. can peeled tomatoes

In deep casserole dish or oven pan layer potatoes, ground beef, onions, top with tomatoes. Salt and pepper if desired. Bake covered at 375 degrees for approximately 35 minutes. Then uncover for 10 minutes longer.