We may receive a commission on purchases made from links. What do onions and garlic, scallions and chives, leeks and shallots all have in common? They're all alliums, and they all have a well-deserved ...

I'm planning on cooking a particular soup for a pot-luck, but one of the guests has an onion allergy. Is there anything I can use instead of onion?<BR><BR>If it helps ...