Wash, clean and chop the beans. Peel, wash and slice carrots. Potatoes peel, wash and cut into cubes. Boil up vegetable stock. Add potatoes and simmer for about 15 minutes.
Clean the leek, cut into rings and wash. Cut the sausages into slices. Peel and wash celery and cut into cubes. With a skimmer take half of the potatoes out of the broth. Use the hand mixer's blender to finely chop the remaining potatoes in the broth.
Add beans, carrots, leek and celery to the soup, bring to the boil and simmer for about 10 minutes. Wash the marjoram, shake dry, pluck leaves from the stalks and chop coarsely. After 8 minutes add sausage.
Shortly before the end add potato cubes back into the soup. Season soup with marjoram, salt, pepper and nutmeg. Arrange in plates.