is because Costco actually tenderizes the meat with a blade tenderizer. These tenderizers sever the muscle tissue in the meat ...

(The process is also called "blading" or "needling." Costco, for instance, labels the mechanically tenderized beef it sells as "blade tenderized.") A 2009 outbreak sickened 25 people, killing one ...

Some of Costco's steaks have been mechanically tenderized, which is a process of piecing the meat with actual blades.

Additionally, Costco often carries USDA prime beef, in addition to its premium ... Despite the fact that these steaks are blade tenderized, they are still worth purchasing, as they can easily ...