Peel and chop the onion. Peel and chop the garlic. Peel and wash potatoes and cut into small cubes. Wash and clean the Brussels sprouts, drain on a sieve and cut in half. Cut sausage into fine slices.
Heat the oil in a pot. Fry onion, garlic and bacon briefly, add potatoes and fry for about 5 minutes. Add Brussels sprouts and pour on broth. Bring to the boil, cover and simmer for about 20 minutes.
Meanwhile, wash the marjoram, shake dry, pluck leaves from the stalks and cut roughly.
Add the sausage and marjoram to the stew about 5 minutes before the end of the cooking time and cook until done. Season to taste with salt, pepper and nutmeg. Arrange the stew and sprinkle with pepper.