Jetée,
let me start you on your gastronomical journey with this sandwich which, coincidentally, I will have for lunch today: it's an Italian chicken cutlet sandwich from Altomonte's Italian Market, it's made on a great crusty sesame bread roll, with tasty tender fresh (never frozen) chicken breast fillets, slightly hand pounded and then lightly breaded and fried just right in fine olive oil, never greasy or overcooked, then add broccoli rabe and roasted peppers, then topped with sharp imported provolone:
...or if you're in a more herbivorous mood, their nearly as delectable veggie & cheese sandwich: