Why fast food chains like Burger King, Taco Bell, KFC are removing onions from their food

A recent E.coli outbreak associated with certain fast-food restaurants has brought up significant health-related concerns all across the industry. The E.coli outbreak is originally linked to pre-sliced onion used in McDonald’s Quarter Pounder burgers, and it has caused major food chain restaurants- – including KFC, Taco Bell, and Burger King- – to take precautionary measures by removing fresh onions from their menus in the US.