The leek is herbaceous, biennial, and belongs to the family Alliaceae. Leak probably originated in the eastern Mediterranean area and spread to Europe by the Middle Ages; it was introduced to North American by European settlers. Leek are popular year-round as a salad vegetable in northern and western Europe and China.

Where does the leek come from?

The leek is an ancient crop and is native to eastern Mediterranean lands and the Middle East. The plant is related to the onion and has a mild, sweet, onionlike flavour. Leek stalks are widely used in European soups and stews, especially as a complement to potatoes, and can be cooked whole as a vegetable.

Are leeks onions?

A leek is a vegetable that is part of the onion family. Other vegetables in the same family, called Allium, are onion, garlic, shallot, scallion, and chives. ... Leeks have a mild, onion-y flavor: the taste is more nuanced and sophisticate than an onion.