What is the McRib really made of? A federal class action lawsuit alleges McDonald’s is misleading customers

McDonald’s McRib sandwich—a limited-time menu item most recently available in November—has drawn a cult following. Now some of those same fast-food diners are suing the company, alleging the famous sandwich’s name is a misnomer.

A federal class action lawsuit filed last month in the Northern District of Illinois claims McDonald’s calling the sandwich a “McRib” is a “deliberate sleight of hand,” and contains no actual rib meat. Instead, according to the complaint, what McDonald’s calls...