Prosciutto di Parma-Black Pepper Quesadillas with Rosemary Oil Recipe

For the Rosemary Oil:

• 1cupextra virgin olive oil
• ¼cupfresh rosemary leaves
• ¼cupchives,coarsely chopped
• salt and freshly ground pepper

For the Quesadillas:

• 24flour tortillas
• 1¼lbsfresh mozzarella
• 1small red onion
• 3tspcoarsely ground black pepper
• salt and freshly ground pepper
• olive oil
• ½cupParmesan cheese,grated
• 32prosciutto di parma,very thin slice