8 imposter foods that aren't what they say they are

Last week, the FDA told Just Mayo maker Hampton Creek that it couldn't call its eggless mayonnaise "Just Mayo" anymore.

Behind the controversy is a complicated set of rules the FDA calls the "Standards of Identity," which set the bar for what foods can and cannot be called.

But Just Mayo isn't alone in calling itself something other than what it actually is - lots of other everyday foods either leave out the basic ingredients they purport to contain, or they're stuffed with things that you'd never expect based on the name.

Find out if what you're eating is what you think it is.