Peel and finely chop the onion. Clean, wash and finely dice leek, carrots and courgettes. Wash celery, dab dry and cut into fine slices. Peel, wash and finely dice the potatoes. Clean, wash and cut cabbage into fine strips. Heat clarified butter in a pot. Add vegetables and sweat.
Season with salt and pepper. Deglaze with stock, lemon juice and tomato juice and cook for about 10 minutes. In the meantime wash parsley, dab dry and pluck leaves from the stalks, except for some for decoration. Chop parsley coarsely, add to the soup and mix. Drain the beans, add them to the soup and leave to stand for about 5 minutes. Garnish soup with parsley
With 10 people: