01 - Turn on your oven's broiler function to prepare for toasting the rolls and melting the cheese.
02 - Place split rolls on a baking sheet. Layer each roll half with provolone and mozzarella cheese slices.
03 - Place under broiler for 1-2 minutes until cheese melts and bread becomes lightly toasted. Remove from oven.
04 - Distribute Genoa salami, deli ham, mortadella or turkey, and capicola evenly across the bottom halves of the toasted rolls.
05 - In a large mixing bowl, toss together shredded lettuce, red onion, pepperoncini, cherry tomatoes, and black olives.
06 - Whisk together mayonnaise, red wine vinegar, olive oil, dried oregano, garlic powder, salt, and black pepper until completely smooth.
07 - Pour the prepared dressing over the vegetable mixture and toss thoroughly until all ingredients are evenly coated.
08 - Mound a generous portion of the dressed salad mixture over the layered meats on each roll.
09 - Sprinkle with freshly cracked black pepper and grated Parmesan cheese if desired.
10 - Place the top roll halves over the fillings, press gently to compact, and serve immediately while bread remains crisp.