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We adhere to structured guidelines for sourcing information and linking to other resources, including medical journals and scientific studies. If you have any concerns about the accuracy or timeliness of our content, please reach out to our editors by e-mailingHave you ever wondered how a McDonald's burger would fare after sitting out for a whole year? One customer recently conducted an experiment to find the answer to that question—and the results left fellow McDonald's fans in shock.) who lives in the United Kingdom, kicked off the trial on Feb. 2, 2023, by setting up a McDonald's Big Mac and French fries on a plate.
So, while many consumers find the lack of mold on a year-old Big Mac to be unsettling, it's not necessarily because there's something wildly unnatural about Mickey D's food. "The reality is that our burgers are made only with 100% USDA-inspected beef," the statement added."There are no preservatives or fillers in our patties and the only thing ever added is a touch of salt and pepper on the grill."Zoe Strozewski is a News Writer for Eat This, Not That! A Chicago native who now lives in New Jersey, she graduated from Kean University in 2020 with a bachelor’s degree in journalism.