Onion

An onion was an edible bulb produced by the plant Allium cepa. Noted for their strong taste, onions eaten as a vegetable and were often used to add flavour to roasts, soups, and salads.

Molly Weasley served Harry Potter a "steaming" bowl of onion soup on the first night he spent at The Burrow in 1996.

Onion juice was one of the ingredients in the ringworm-treating product Fergus Fungal Budge.

Appearances

 * Harry Potter and the Order of the Phoenix (film)
 * Harry Potter and the Half-Blood Prince