Fast food chains like to claim that they never use frozen patties, but as it turns out, their burgers are often far from ...

You can count on these fast-food restaurants to serve you the freshest beef, thanks to their "fresh, never frozen" burger policy.

And sure enough, most burger options you'll find on the menu will be made from pre-packaged frozen patties. It's partly the reason why these burgers are so cheap to begin with. But there's one ...