Onions might just be the unsung heroes of McDonald's burgers. If you've ever unwrapped a Big Mac, McDouble, or even a humble cheeseburger, you've definitely seen those tiny, soft, and slightly sweet ...

McDonald's Big Mac hamburger with visible onion, beef patties, pickles, lettuce and cheese on a three layered sesame seed bun with French fries - Lauren Decicca/Getty Images It doesn't matter if you ...

An E. coli outbreak that ensnared McDonald’s Corp. is over, the US Centers for Disease Control and Prevention said Tuesday. Fresh, slivered onions at McDonald’s were the likely source of the outbreak, ...

McDonald's is investing $100 million to "accelerate recovery and support the most heavily impacted franchisees" after an outbreak of E. coli food poisoning tied to onions on the fast-food giant's ...

The U.S. government said Tuesday it has closed its investigation into an E. coli outbreak tied to McDonald’s Quarter Pounder hamburgers after determining there is no longer a safety risk. The outbreak ...