
The McDonald’s hamburger on the right is from 2008; the one on the left is from 1996. And they both look fairly edible.
Wellness educator and nutrition consultant Karen Hanrahan has kept a McDonald’s hamburger since 1996 to illustrate its nonexistent ability to decay. Aside from drying out and bit and having “the oddest smell,” it apparently hasn’t changed much in the past 12 years.
This isn’t the first time someone kept an uneaten McDonald’s hamburger for an extended period of time for the sake of science. Or in the case of the Bionic Burger Museum, multiple burgers for over 19 years. There are even instructions on how to start your own collection of old, self-preserving burgers. Thanks to Maria Collier, who heard it on NPR
via 12-Year Old McDonald’s Hamburger, Still Looking Good | A Hamburger Today.
Coudreaut, or Chef Dan as he’s called within McDonald’s, has navigated pretty well within his straits. Since hired on in 2004, he has led the creation of the Snack Wrap, the latest iterations of McDonald’s chicken-topped salad entree, the Fruit and Walnut Salad, McCafé espresso-based coffees, and, most recently, the 1/3-lb. Angus burger. (He has blown it, too. McDonald’s dropped the too-adventurous Hot ‘n’ Spicy McChicken sandwich in 2007 after just six months on the market and disappointing sales.)