No mystery meat here! Order a burger from any one of these fast-food giants and you're sure to find pure beef burger patties.

Ground sirloin is cut from the back section of the cow. It’s labeled 90/10 and is a more expensive cut of beef than round or chuck. It has a full beefy flavor but is too lean for hamburgers.

The higher fat content of ground chuck is a plus when you want to form the meat into a particular shape. So, think hamburgers, meatballs, or meatloaf. The fat will help maintain the form ...

At least 15 people have gotten sick so far. More than 167,000 pounds of ground beef have been recalled due to possible E.Coli ...

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

He uses 80/20 ground chuck, which isn't as fatty as regular ground beef but still packed with flavor. Burgers head onto a 48-inch flattop grill filled to the brim with 50 to 60 patties.