Of the many iconic McDonald's menu items, there are a few that are so flavorful that customers ... flakey and irresistible apple pie, it turns out that the real mystery is just how much of that ...

To find which fast-food chain serves the best apple pie, I tried pies from Arby's, McDonald's, Panda Express ... topped with cinnamon sugar. It came hot and crispy straight out of the fryer ...