Ah, the Mickey D burger: you may be able to eat it but you can’t kill it (on the other hand, maybe it’s already dead). The happy meals project.
Related: The damn thing won’t break down.
Related: Ah, but science purports to explain that, like any other fast over-processed food, a Happy Meal manages to stay unspoiled “because it is fatty, salty and practically empty of nutrients.” Here.
Related: A twelve-year old Fast food hamburger that still looks edible? Huh? Here.
Related:
McDonald’s cheeseburger in stomach acid simulation.

