1. If the pork belly is salted or semi-salted, soak it overnight and keep it in the fridge.
2. Bring about 6 liters of water to a boil in a large pot.
3. Add the onions (studded with a few cloves), carrots, leeks, celery stalks (cut into pieces), quartered turnips, and the pork belly. Add the bouquet garni, whole peppercorns, and salt.
4. Cook gently (simmering) for about half an hour.
5. Then add the cabbage, cut into large quarters. Continue cooking for 1 hour and 15 minutes.
6. Add the potatoes and sausages.
7. Let it cook for another half an hour. Remove the meat from the broth, cut it, and serve it on a platter with the vegetables.