Spray each muffin well with nonstick spray.Place a slice of ham in the bottom of each muffin well.Place a teaspoon of diced tomatoes on top of the ham.Sprinkle some cheese over the tomatoes.Break one egg into each spot.Sprinkle a little bit of salt and pepper on each.Bake at 350 degrees for 18-20 minutes or until the yolks are firm and the whites are coo