01 -
Season the beef chuck roast with salt, pepper, garlic powder, onion powder, and dried thyme. For added flavor, sear the beef in a hot skillet before placing it in the slow cooker.
02 -
Place the sliced onions at the bottom of the slow cooker. Layer the seasoned beef chuck roast on top, and pour in the beef broth, Worcestershire sauce, and soy sauce.
03 -
Cover the slow cooker and cook on low for 7-8 hours or high for 4-5 hours until the beef is tender and easily shreds with a fork.
04 -
Remove the cooked beef from the slow cooker and shred it into bite-sized pieces using two forks. Return the shredded beef to the slow cooker to absorb additional flavor.
05 -
Toast the hoagie rolls lightly by placing them under the broiler for 1-2 minutes or in a dry skillet until golden brown.
06 -
Pile the shredded beef onto the toasted hoagie rolls using tongs. Top with a slice of provolone cheese and broil for 1-2 minutes until the cheese melts.
07 -
Strain the cooking liquid to remove the onions, then pour the remaining broth into small bowls for dipping. Serve each sandwich with a side of au jus.