Clean, wash and cut the leek into 4-6 pieces. Boil up approx. 1/8 l water, stock and herbs. Cover the leek and steam for about 8 minutes. Drain, collect the stock
Cut the ham lengthwise into 4-6 strips. Wrap around one piece of leek each. Place the leek in an ovenproof dish. Sprinkle with pepper and pour on some broth
Cut the mozzarella into slices and place on the leek. Bake in the preheated oven (electric cooker: 225 °C/recirculating air: 200 °C/gas: level 4) for approx. 10 minutes. Garnish with basil if desired. Add the bread rolls