It has been a rough couple of years for the fast-food business, but this chain is making a once-unthinkable move.

IRVINE, CALIF. — Taco Bell is adding a new menu to its list of offerings: the Caliente Cantina Chicken Menu. The menu offers a lineup of five items.

When Daniel Kelch opened Taco Diablo, LuLu’s, The Blue Horse Tavern and the Five & Dime 33 years ago, fast food chains were ...