Lettuce soup is a soup prepared with lettuce as a primary ingredient. It may be prepared with myriad lettuces and other ingredients, and some lettuce soups may use several cultivars of lettuce in their preparation. It is a part of French cuisine and Chinese cuisine. Cream of lettuce soup is a type of lettuce soup prepared using milk or cream. The soup may be served with toast or rolls as a side dish or with the soup atop them. It may be served as an appetizer, a side dish or as a main dish, and may be served hot or cold.