For years, there has been no question about which fast food chain has the best French fries. Plenty of others tried to beat them, but McDonald's fries always came out on top — until now. A recent poll saw McDonald's come in a close second to the new winner at the fry game, and it's not a longtime competitor like Burger King or Wendy's. Instead, it's Five Guys, which may have something to do with the fact that the burger chain always prepares it fries in the restaurant. Let's take a look at the details of the chain with the best French fries in fast food.