For the cauliflower soup, divide the cauliflower and florets, sauté the onion in a pot until translucent, add the cauliflower, deglaze with the soup and cook covered for about 10 minutes.
Take out half of the cauliflower and puree the soup, add the remaining cauliflower and whipping cream, cook for 5 minutes.
Season the soup with the spices, lemon, lemon zest and horseradish (ginger). Chop the dried tomatoes, parsley and chives and add to the cauliflower soup just before serving.