- Preheat the oven to 190c.
- Layer a square baking tin with potato slices, then top with ham, mozzarella and parsley. Repeat twice times then sprinkle the last potato layer with cheddar.
- Cover with foil and bake for 45 minutes or until the potatoes are cooked. Remove the foil and return to the oven to brown for 15 minutes.
- Slice up and serve.