Claim: Says pre-cut onion used to cook the following day "becomes highly poisonous for even a single night and creates toxic bacteria which may cause adverse stomach infections because of excess bile secretions and even food poisoning."
Fact-check: Are pre-chopped onions 'poisonous' if used the next day? No.
Verdict: pants-fire
Organisation: PolitiFact
Author: Samantha Putterman
Date published: 2019-08-16T00:00:00