I’m going to assume the OC means best fast food sauce for chicken fingers and/or nugs as well as fries.
So with that assumption in place, my favorite chicken fingers/nugs and French fry dipping sauce are:
1) Guthrie’s Original
2) Raising Cane’s Original
3) CFA Original
4) CFA Polynesian
5) Golden Chick’s white gravy
6) Jack in the Box Franks red hot dipping sauce
7) McDonald’s Sweet and Sour
8) Foosackly’s Spicy Kung Foo
9) Jack’s Comeback Sauce
10) CFA Spicy Sriracha
11) Huey Magoo’s Spicy Magoo’s Sauce
12) Burger King’s Zesty butter Sauce
13) Popeye’s Mardi Gras Mustard
14) Whataburger Spicy Jalapeño Ranch
15) Arby’s Dijon Honey Mustard
16) Slim Chickens Korean BBQ Sauce
17) Hip Hop Fish and Chicken Honey Mustard
18) Sonic Signature Sauce
19) Big Chicken Shaq Sauce
20) Popeyes Sweet Heat Sauce
None from PDQ, Zaxby’s, Rally’s, Checker’s, Steak and Shake, In-N-Out, Taco Bell, Del Taco, Church’s Texas Chicken, or Wingstop.
I did not include Whataburger’s spicy ketchup even though it’s the only tomato ketchup I like better than standard Heinz because I wouldn’t put it on chicken fingers. Ditto with Arby’s Horsey, Red Ranch and Original sauces.