Now, when it comes to the shelf life of sliced American cheese, things get a bit hairy. Generally speaking, if you store it in the fridge, it can last for several weeks - we're talking up to 6-8 weeks, depending on the type and storage conditions. But, if you leave it out at room temperature, it's a whole different story - we're talking hours, not weeks.
But here's the thing: American cheese is like the Terminator of cheeses - it's incredibly resilient and can withstand a lot of abuse. I mean, have you ever seen a sliced American cheese that's been left out for hours, only to still look and taste perfectly fine? It's like it's defying the laws of nature or something!
Of course, that's not to say that you should go around leaving your American cheese out at room temperature willy-nilly. I mean, come on, don't be that guy. It's still a dairy product, and it can still go bad if you're not careful. So, be sure to store it in the fridge, and you'll be golden.
What Is American Cheese?