When you order a steak at a restaurant or steakhouse, you expect the meat to have been cut directly from the source and not modified in any way. In a bid to cut costs, though, some restaurant and hotel chains use "meat glue" to bond pieces of meat together to create real-looking whole steaks, specifically filet mignon, the most tender cut of steak. Fortunately, there are several ways to tell when a restaurant does this. First, let's explain how restaurants form or pre-form filet mignon. They start by covering leftover chunks of meat with transglutaminase, an enzyme that the body...