This hearty Italian baked sub sandwich recipe is a delightful fusion of flavors, combining savory meats, melted cheese, and a variety of fresh toppings nestled within a crusty hoagie bun. Perfect for a family dinner or a gathering with friends, these subs are not only easy to prepare but also satisfyingly delicious. With layers of pepperoni, salami, and ham, alongside a blend of provolone and mozzarella cheeses, this dish is sure to please a crowd. Each bite delivers a burst of flavor, enhanced by the addition of zesty marinara sauce and fresh herbs. Whether served as a main course or an appetizer, these baked subs will quickly become a favorite.