Since 1834, Palermitani from all walks of life have savored the dishes offered by Antica Focacceria San Francesco, a 5th generation, family-run establishment in the center of Palermo. Its name is deceptive: focaccia is only one of this gastronomic hub’s specialties. I usually fill my tray with arancine, panelle, cazzilli di patate, sfinciuni, and other…