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.

We made a sauce so mysterious, we’re not even sure what to call it. Tangy? Sweet? Spicy? All we know is… it pairs freakishly well with fries. Watch as we mix, taste, and try to decode the flavor combo ...