Pre-heat oven to 350050’F
Spray a small roasting pan with non-stick spray
Layer ham, potatoes, onion and tomatoes
Season with salt and pepper
Make a second layer of ham, potatoes, onion and tomatoes
Season top layer with salt and pepper
Cover with foil
Cook at 350’F for about an hour or until it reaches a safe eating temperature for pork
Serve hot with a side salad