Cauliflower is broken into florets and put into boiling, salted water. Boil about 15 minutes. Pulling from the fire. In another court fry sunflower oil with a little butter and flour. When flour acquire a pleasant brown color, pour 1/4 cup (50 ml) of cold water. When the fried flour accommodate it, pouring the same number, and then may be added to the broth of the cauliflower, to form a homogeneous mixture. Cauliflower is put back on the stove and add powdery mixture. Boil to thicken the soup, stirring constantly. Finally add chopped parsley. Serve sprinkled with pepper.