saute sliced mushrooms in pan with butter, in batches so as not to crowd the mushrooms, while the fresh mushrooms are sauteing, in the soup pot, saute the leek, fennel, and celery until soft, add the chicken broth and the potato. add the dried mushrooms and the sauteed mushrooms. Add spices, cook and puree, add the cream and cream cheese, puree, serve with chives as garnish