01 - Preheat the grill or a skillet over medium-high heat.
02 - Rub the chicken breasts with olive oil, Italian seasoning, garlic powder, salt, and pepper.
03 - Grill or sear the chicken for 6-8 minutes per side, or until fully cooked. Let rest, then slice thinly.
04 - In a small bowl, whisk together mayonnaise, red wine vinegar, olive oil, oregano, garlic, salt, and pepper to make the dressing.
05 - In a large bowl, layer the romaine lettuce, cherry tomatoes, red onion, pepperoncini, and roasted red peppers.
06 - Add chopped provolone, ham, salami, and pepperoni on top.
07 - Place sliced grilled chicken over the salad ingredients.
08 - Drizzle with the Italian dressing. Toss gently to combine, or serve with dressing on the side.