Mix mayo, banana pepper juice, red wine vinegar, garlic powder, oregano, salt and pepper in a jar
Shake the jar to combine the dressing
Chop romaine, banana peppers, red onion, turkey, salami, prosciutto, tomato, and provolone
Mix the chopped ingredients together in a bowl
Pour the dressing over the salad and toss to combine
Top with freshly grated parmesan and serve
