Pulled my beef roast out of the slow cooker and saw these weird white stringy things poking out of the meat. They look like little worms or parasites. Is the meat infested?

Before you throw away your hard work in a panic, it’s important to take a closer look at what you’re seeing. These white, stringy bits might not be what you fear. In fact, they are often a normal part of the meat’s structure or a result of the cooking process. This article explains what these white strings likely are, why they appear, and when you should be concerned.

1. Why Those White, Stringy Bits Probably Aren’t Worms