The Submarine Sandwich, also known as a sub or hoagie, is a classic deli-style sandwich that is packed with layers of meat, cheese, and vegetables. This hearty sandwich is typically made with a long roll or baguette that is filled with a variety of cold cuts, such as ham, turkey, salami, and roast beef. It is then topped with cheese, lettuce, tomatoes, onions, and condiments like mayonnaise and mustard. The Submarine Sandwich is a versatile and customizable meal that can be enjoyed for lunch or dinner.