Julia Child's Vichyssoise
Vichyssoise, also more simply known in English as Chilled Leak and Potato Soup, is a classic French soup. In her book The Way to Cook, Julia states, "Here is the mother of the family in all her simplicity. You'll note there's no chicken stock here, just water, leeks, potatoes, and salt in the soup base. However, you may include chicken stock if you wish, and you may certainly include milk. A bit of cream at the end is a nourishing touch, but by no means necessary."