Prepare the vegetables by shredding lettuce, slicing red onion, slicing the tomato, and draining the pepperoncini.

Make the dressing by whisking mayonnaise, red wine vinegar, olive oil, oregano, basil, garlic powder, salt, pepper, red pepper flakes, and sugar until emulsified.

Build the grinder salad by mixing the shredded lettuce, onion, and pepperoncini with the dressing until coated.

Toast the roll by spreading butter or oil on the cut sides and broiling until golden.

Layer cheese on the toasted roll, return to broiler until melted.

Layer the meats onto the roll and return to broiler briefly for warmth.

Add tomato slices over the meats and season with salt and pepper.

Top with grinder salad mound and drizzle extra dressing if desired.

Close the sandwich and let it rest for several minutes before serving.

Slice the sandwich and serve immediately.