Wash the meat, dab dry, cut a deep pocket into it. Finely chop prunes for the filling. Remove the sausage meat from the skin and mix with the plums. Season with salt and pepper.
Fill meat. Hold together with wooden sticks. Clean, wash and cut the soup greens into small pieces. Heat 1 tablespoon of clarified butter in a small roaster. Brown the meat all around in it at high heat.
Roast the soup greens briefly with. Deglaze with stock and 1/8 litre water. Cover and cook in the preheated oven (electric cooker: 200 °C/ gas: level 3) for approx. 45 minutes. In the meantime, clean and wash the Brussels sprouts.
Cook in boiling salted water for 15-20 minutes and drain. Just before serving, toss in hot fat. Season with nutmeg. Peel, wash and chop the potatoes. Sauté in the remaining hot lard.
Dice bacon and add. Fill up with broth and cook for about 8 minutes. Season with salt, pepper, caraway and marjoram. Take the roast out and pass the sauce through a sieve. Season again. Cut the roast and serve with sauce, potatoes and Brussels sprouts.
Garnish with fresh marjoram leaves.