We ranked fast food signature sauces based on their flavor, versatility, and how well they elevate burgers, fries, and more.

Plus an order of French fries and, like an old buddy I’m visiting, a side of coleslaw. Critical partners in all this are mustard (it’s got to be Dijon) and Heinz ketchup.

Back in the day, it only featured traditional fare such as popcorn, roasted peanuts, Cracker Jacks, jumbo pretzels, soft drinks, beer, and hot dogs. Nowadays, fans can order shrimp and grits, bacon ...