Pickled onion

Pickled onions were a prepared food found on Earth.


 * The Doctor specifically requested a pickled onion from Rorvik whilst they sat in the Gateway. Romana also ate a pickled onion. (DW: Warriors' Gate)


 * Mickey Smith had pickled onions (along with pickled eggs) in his cupboard. Jackie Tyler used them to kill a Slitheen (due to the vinegar content and therefore the acetic acid contained within them) which could dissolve a Raxacoricofallapatorian's calcium-based physiology. (DW: World War Three)


 * Susan Mendes had a Gran on Earth who sent her pickled onions, she also left a jar of them for Alby Brook. (BFDE: Invasion of the Daleks)