Wash, peel and dice the potatoes and carrots.
Peel and finely chop the onions. Clean, wash and slice the zucchini and mushrooms. Put everything in a pot and fill up with vegetable soup.
Season with bay leaf, garlic, oregano, herbs de Provence, nutmeg and cayenne pepper and cook for 15-20 minutes.
Puree the soup, add the cream and sprinkle with the chive rolls (or parsley).
Serve the potato soup immediately.