And although there's nothing quite like a fresh-off-the-grill hot dog in the summer, I wanted to see how fast-food chains would serve up this classic meal. As part of an ongoing Insider taste test ...

Not everyone agrees on the best way to eat a hot dog. As an acolyte of the Chicago school, I like mine dressed in a skimpy squirt of yellow mustard. Others will slather their wieners with ketchup.