Savory Slow-Cooked Beef Sandwich

Tender shredded beef, tangy pepperoncini, melted cheese, and buttery toasted bread come together in this hearty Mississippi Pot Roast Sandwich with Au Jus Dipping Sauce. The beef cooks slowly until it becomes incredibly tender and easy to pull apart. The cooking juices become a rich, savory dipping sauce that soaks into the bread without making…