Beef spleen sandwich is Sicilian street food with a history

                                              
This is Traditional Sicilian street food, exclusive of the city of Palermo. Beef spleen sandwich "Pane ca Meusa", the old Sicilian word was Vastedda or Vastidda. The origin of this sandwich is said to have its roots in the  Jewish community of medieval Palermo. A soft panino covered with sesame seeds is stuffed with bits of beef spleen and beef lung which are first boiled and then fried in a little bit of lard. A squeeze of fresh lemon is followed by a topping of shredded caciocavallo cheese or delicious fresh ricotta (in this case the sandwich is called "married").This delicious sandwich is served piping hot. The majority of the "Meusari" street vendors are found in the market of la "Vucciria", but you can experience a more formal "Pane ca Meusa" at the "L'Antica Focacceria San Francesco" located in Via Paternostro 58-Palermo.
The video below has a slow start, but it's worth watching.