Preheat the oven to 240 degrees (top and bottom heat). Put the oil on a baking sheet and let it get hot in the oven.
Then fry the chops in it on both sides for about 7 minutes and then remove them with the tray. Season with salt and pepper, place the ham, tomatoes and mozzarella one after the other on the chops and then grill in the upper half of the oven for about 5-10 minutes.
Remove and serve immediately sprinkled with oregano.