Taco Bell is bringing back Nacho Fries, and this time they have a spicy twist. Here's a sneak peek.

Irene Jiang / Business Insider Taco Bell is bringing back its coveted Nacho Fries on January 30. This time, they'll come with an optional twist: buffalo chicken. I tried Taco Bell's new Nacho Fries lineup, and I found that Taco Bell has a winning flavor combination on its hands. Visit Business Insider's homepage for more stories. Nacho Fries are coming back to Taco Bell on January 30, and this time there's a new twist. Tacos and fries go together like fries and queso — surprisingly well. That'...