Some of Palermo’s most beloved snacks are hearty street foods, and none is more iconic than pani cà meusa, a sandwich layered with thin slices of fried cow spleen and topped with lemon and grated Caciocavallo cheese. The hole-in-the-wall Pani Cà Meusa Porta Carbone, overlooking the port on Via Cala, specializes in this Sicilian comfort food.