For the dumplings peel 1 onion and cut it into fine cubes. Melt butter and fry onion in it. Wash parsley, dab dry, remove leaves and chop. Cut pretzel rolls into very thin slices. Whisk milk and egg, season with nutmeg and pour over the bread roll slices. Add chopped parsley and onion with the butter and knead. Flavour with nutmeg. Let rest for about 30 minutes
Peel and wash the carrots and celery. Cut carrots into slices, celery into cubes of about 1 cm. Peel 2 onions and cut into strips. Cut the meat from the bones, rinse, dab dry and cut into approx. 5 cm pieces
Heat clarified butter in a roasting pan. Brown the meat in it in 2 portions all around, season with salt and pepper and take it out of the pot. Sauté the onions and vegetables in the frying fat, add the tomato paste and bay leaf and fry. Add meat again, mix well. Add 500 ml water, stir in stock and bring to the boil. Put the lid on. Braise in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 1 hour
In the meantime, bring plenty of salted water to the boil in a wide pot. Put the dumpling mixture on a rinsed tea towel, form it into a roll of about 20 cm and roll it up loosely in the towel. Close the cloth like a candy with kitchen string
Place the dumplings in the water and let them simmer at low heat for about 30 minutes. Season meat with salt, pepper and cloves, remove bay leaf. Drain the dumplings, remove from the cloth, cut into slices and serve with the braised meat