Clean, wash and cut the soup greens into pieces. Heat the oil in a frying pan. Rub the meat with salt and pepper and fry well all around in hot oil. Add bay leaf and soup greens.
Deglaze with 1/2 litre stock and port wine. Bring everything to the boil and let it cook at medium heat for 1 3/4 hours. In the meantime, clean, wash and cut the cabbage into eighths and cut out the stalk. Cut the cabbage into fine strips.
Drain the chanterelles. Heat the fat in a pot. Steam mushrooms and cabbage for 10 minutes. Season with salt and pepper and keep warm. Remove the roast, spread cheese and sesame seeds on top.
Bake in the preheated oven (electric: 225 ° C/ gas: level 4) for another 10 minutes. Add the rest of the stock to the roast stock and pour it through a sieve into a pot. Bring to the boil, add sauce thickener and bring to the boil again.
Refine with crème fraîche. Season to taste with salt and pepper. Arrange the meat and cabbage on a plate. Garnish with tomato rose, bay leaf and parsley. Serve with extra sauce. Boiled potatoes taste good with it.