Merriam-Webster defines "fad" as a practice or interest followed for a time with exaggerated zeal. We latch onto fads in fashion, pop culture, technology, and, yes, fads in food. Every year it seems there's a new "it" food. Suddenly, every restaurant is serving up the latest craze -- foams, sundried tomatoes, kiwi cocktails. But soon the fad fades, and the "flavor of the week" settles into obscurity, or at the very least, the below-eye-level grocery shelves.
Let's take a look at some of the most popular food fads of all time. You might find some of them tasty. And you might find some of them absolutely gross.