Love it or hate it, fast food is the backbone of American cuisine. But there are really only a handful of truly iconic fast food menu items. For every Big Mac, or Whopper, there are hundreds of other McNothings that somehow made it out of the test kitchen and had fast food fans scratching their heads. It’s safe to say these are the biggest fast food failures of all time. “The french fries are pretty good. French fried potaters? Yeah, french fries”.