Potato leek soup is a creamy and comforting dish made primarily from potatoes and leeks. The leeks, which are a type of vegetable related to onions, provide a mild, sweet flavor that complements the earthiness of the potatoes. The ingredients are typically simmered in broth until tender, then blended to create a smooth texture. This soup is often seasoned with salt, pepper, and sometimes herbs like thyme or parsley. It can be served hot or cold and is popular in various cuisines, especially in French cooking. Potato leek soup is nutritious, filling, and can be easily adapted to suit different dietary preferences.