What is included with the open-faced roast beef sandwich?

The open-faced roast beef sandwich is characterized by its combination of tender chuck roast served over a slice of sourdough bread, generously topped with gravy. This classic dish emphasizes hearty ingredients, showcasing the rich flavor of the beef and the comforting texture of the gravy-soaked bread. The sourdough bread serves as the perfect foundation for absorbing the gravy, adding to the overall experience of the dish. The other options feature different proteins and accompaniments that do not align with the traditional components of an open-faced roast beef sandwich, making them unrelated to the correct choice.