Peel, wash and roughly dice the potatoes. Clean, wash and cut leek into rings. Boil potatoes in 3/8 l salted water for about 20 minutes. Add leek after about 10 minutes. Stir in broth
Sort the sprouts, wash and drain. Wash the chives and cut into small rolls. Cut the sausages into thin slices and heat briefly in the soup.
Season soup with salt, pepper and Worcester sauce. Sprinkle with sprouts and chives. If necessary, crush peppercorns coarsely and sprinkle on top
The radish sprouts give the stew a spicy flavor. To keep them nice and crunchy and not lose their vitamins, rinse the sprouts with cold water, let them drip off and sprinkle over the hot soup. Serve immediately