INDIANAPOLIS (WISH) — Potbelly Sandwich Works turns up the heat with the Fiery Island Chicken Sandwich, their latest limited-time delight that’s sparking serious summer vibes. I sat down with Tony Renderos-Walker, longtime Potbelly manager and neighborhood flavor expert, to get the scoop on what makes this new sandwich a must-try.

This isn’t your everyday sandwich. Fiery Island Chicken is an all-natural grilled chicken masterpiece, layered with creamy provolone cheese and fresh-sliced avocado, and finished off with a fiery jerk sauce that packs just the right punch.

Served oven-toasted on Potbelly’s signature bread, this sandwich stri...