Stuffed Pepperoncini

Name: Stuffed Pepperoncini
Ingredients: about 30 pepperoncini (or any small fresh pepper) or 10 bell peppers; 3/4 cup fisherman's bread (or dried stale bread, crumbled into pieces); 1/2 cup water; 5 tablespoons extra-virgin olive oil, divided; 1/2 cup cubed pancetta; 1/2 cup diced onion; 5 anchovy fillets, finely chopped; handful torn basil leaves; 3/4 cup cubed fresh mozzarella; salt and pepper to taste