This story was originally published on QSR. To receive daily news and insights, subscribe to our free daily QSR AM Jolt. Potbelly, the iconic neighborhood sandwich shop, continued its strong growth trajectory during the second quarter of 2026, expanding its national footprint through new shop openings and setting the stage for the future with strategic franchise development agreements in both traditional and non-traditional segments. During the quarter, the brand also received national recognition for its ...