How do restaurants turn spuds into spiral strings of curly fries, and what goes into that thick, punchy seasoning on top?

Arby's has some impressive sandwiches and curly fries, but the same can't be said for one of its condiments. Here's a sauce ...

In the South, we’ve got a real soft spot for a good batch of fries — so it’s not surprising that we got more than 50 ...