When you think of fast food, greasy burgers, and french fries are probably the first things that come to mind. Whether your go-to meal is from In-N and Out, Shake Shack, McDonald’s, Five Guys ...

An curved arrow pointing right. We had Business Insider employees try hot dogs from Shake Shack, Nathan's, Burger King, Dairy Queen, and 7 Eleven – and the winner was totally unexpected.