Peel, wash and roughly dice the potatoes. Peel and chop the onions. Fry both in hot oil. Add deep-frozen soup vegetables, pour on broth and cook for about 20 minutes. Wash the herbs and dab dry. Chop coarsely except for something to garnish and add to the soup. Puree with a cutting stick.
Season soup with salt, pepper and nutmeg. Remove the fat edge from the ham. Cut ham into strips. Divide the soup between four plates. Add 1 tablespoon of crème fraîche to each plate and use a wooden skewer to pull it through the soup as strips. Sprinkle the ham strips on top