Offering toasted subs, malts and smoothies for all dayparts in a vintage-style sandwich shop, Potbelly Sandwich Shop features dark roast coffee for a low price on its breakfast menu, at locations where it serves breakfast. Several Potbelly locations also cobrand with other coffee shops to better service the breakfast daypart, such as Classic Rock Coffee in Fargo, N.D., and Intelligentsia at Midway International Airport in Chicago. Its Midway location offers a lineup of lattes, cappuccinos and other espresso drinks.