Italian Grinder Salad (Chopped Sub Salad)

Name: Italian Grinder Salad (Chopped Sub Salad)
Prep time: 20 min
Total time: 20 min
Cuisine: Italian
Ingredients: 1 head romaine or iceberg lettuce, chopped (Crisp base that holds up well.); 1 cup cherry tomatoes, halved (Juicy bursts of sweetness.); 1 cup cucumber, diced (Cool and refreshing.); 1 cup red bell pepper, diced (For color and crunch.); 1/2 medium onion red onion, thinly sliced (Sharpness to balance the rich meats.); 1 cup pepperoni or sliced salami, quartered (The classic savory bite.); 1 cup provolone or mozzarella cubes (Melty comfort; use dairy-free for a vegan twist.); 1/2 cup pepperoncini, sliced (Optional, for a vinegary kick.); 1/3 cup black olives, sliced (Salty contrast.); 1/4 cup fresh basil, chopped (Herbaceous lift.); 2 tablespoons fresh parsley, chopped (Herbaceous lift.); 1/2 cup extra-virgin olive oil (Base for the dressing.); 1/4 cup red wine vinegar (Acidity for the dressing.); 1 teaspoon Dijon mustard (For flavor in the dressing.); 1 clove garlic, minced (For flavor in the dressing.); 1 teaspoon dried oregano (For flavor in the dressing.); to taste salt and black pepper (Seasoning for the dressing.)