It's almost always sold as a boneless steak, as leaving the bone ... the top round steak is cut from the top of the round primal located at the beef's hindquarter. It's often labeled as London ...

Flank steak is lean and boneless with lots of beef flavor. It's best when marinated ... to use flank steak for London broil, look for top round steak instead. You might see it labeled as "top ...