Leeks are a vegetable belonging to the lily family, known for their versatility and health benefits. Primarily, the white part is consumed, although the green leaves are useful in broths and stews. Originating from Mesopotamia, leeks were widely cultivated in Europe thanks to the Romans. In cooking, they are a key ingredient due to their distinctive flavor, being consumed raw, cooked, or sautéed. With a rich and varied history, leeks are cultivated in northern Spain and most common in winter. It is recommended to store them by cutting the stalk and washing the leaves carefully, keeping them fresh for up to two weeks in the refrigerator. With low calorie content, leeks are rich in vitamin C and fiber, making them a nutritious choice.