Is burger night a staple in your house? Maybe it’s even become black bean burger night. No shame in that. Either way, there is but one side dish that a burger needs in order to survive: French fries.

I wanted to find out which fast food restaurant makes the best french fries, so I went to five different eateries to find out. I got fries from McDonalds, Burger King, Wendy's, Chick-fil-A, and Arby's ...