Pearl onion

Variety of onion

The pearl onion, also known as button onion, baby onion or silverskin onion in the UK, is a close relative of the leek, and may be distinguished from common onions by having only a single storage leaf, similar to cloves of garlic. In French they are known as oignon grelot. One English-speaking reference also mentions the term petit poireau antillais.

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