The '''leek''' (''Allium ampeloprasum'') is a vegetable of the ''Alliaceae'' family, related to the [[onion]] and to [[garlic]]. The major part of the plant consists of a column of thick leaves tightly packed in concentric rings, the outer leaves green, the inner white. It is commonly used as an ingredient in [[soup]]s (particularly leek and potato soup and its derivative, ''vichyssoise''), [[pie]]s, etc. | The '''leek''' (''Allium ampeloprasum'') is a vegetable of the ''Alliaceae'' family, related to the [[onion]] and to [[garlic]]. The major part of the plant consists of a column of thick leaves tightly packed in concentric rings, the outer leaves green, the inner white. It is commonly used as an ingredient in [[soup]]s (particularly leek and potato soup and its derivative, ''vichyssoise''), [[pie]]s, etc. |