Fry the leek and pork belly in a pan with a little oil for about 5 minutes over low heat. Then let it cool down a bit.
Put the dumpling bread in a bowl. Add the leek, pork belly, ham and cheese.
Sprinkle the milk with the eggs and season with salt, pepper and a little nutmeg. Add to the bowl along with the chopped parsley and mix everything together well. Let it steep for about half an hour.
Then shape eight loaves from the mixture with slightly moistened hands.
Heat the clarified butter in a pan and fry the patties over low heat until golden brown on both sides.