Learn how to make the Asperges sauce Fleurette (asparagus with Sauce Fleurette). The Sauce Fleurette as one of the many daughter sauces born from the classic Hollandaise sauce, elevated by the introduction of cream for a lusciously smooth texture. The very term "Fleurette" draws inspiration from the use of a specific French cream—Creme Fleurette—a luxurious, full-fat cream celebrated throughout the culinary landscape of France.