01 - 
                Heat a large skillet over medium-high heat. Season beef chuck roast liberally with salt and pepper. Sear the roast on all sides for approximately 3–4 minutes per side until deeply browned.
              
              
              
                02 - 
                Arrange sliced onion and minced garlic evenly on the bottom of the slow cooker to form a flavorful base.
              
              
              
                03 - 
                Place the browned beef chuck roast atop the onion and garlic layer inside the slow cooker.
              
              
              
                04 - 
                Combine beef broth, French onion soup, Worcestershire sauce, dried thyme, and dried rosemary in a mixing bowl. Pour the mixture over the beef in the slow cooker.
              
              
              
                05 - 
                Cover and cook on low for 8 hours or on high for 4 hours, until the beef is tender and shreds easily with a fork.
              
              
              
                06 - 
                Remove the beef from the slow cooker and transfer to a cutting board. Shred the meat into bite-sized pieces using two forks.
              
              
              
                07 - 
                Strain the remaining cooking liquid to remove solids, reserving the clear au jus. Keep the au jus warm for serving.
              
              
              
                08 - 
                Slice the hoagie rolls lengthwise. Pile shredded beef into each roll and top each with 2 slices of provolone cheese.
              
              
              
                09 - 
                Place assembled sandwiches under a broiler for 2–3 minutes, or until the cheese has melted and is bubbling, or use a sandwich press until cheese is melted.
              
              
              
                10 - 
                Serve sandwiches hot, garnished with chopped parsley. Accompany with a side of warm au jus for dipping.