Wash the meat, dab dry, remove from the bone and cut into large cubes. Heat oil in a pot, fry meat and bones in it. Fill up with vegetable stock and let it boil for 1 hour at low heat. Add tortellini after 30 minutes.
Peel, wash and chop the carrots. Clean, wash, drain and cut the savoy cabbage into large pieces. Add vegetables 15 minutes before the end of cooking time, season with salt and pepper. Wash the chives, cut into fine rolls and add to the soup