01 -
Heat olive oil in a large skillet over medium-high heat. Season beef chuck roast with salt and pepper. Brown beef on all sides for 8-10 minutes.
02 -
Transfer seared beef to a slow cooker. Add sliced onion, beef broth, soy sauce, minced garlic, and bay leaves to the cooker.
03 -
Cover and cook on low heat for 7-8 hours until beef is tender and easily shredded.
04 -
Remove beef from slow cooker and shred using two forks.
05 -
Preheat oven to 175°C. Open French rolls, brush insides with melted butter, place on baking sheet, and toast for 5 minutes until lightly crispy.
06 -
Distribute shredded beef evenly onto toasted rolls. Top each with a slice of provolone cheese.
07 -
Return sandwiches to oven and bake for 3-5 minutes until cheese is melted.
08 -
Strain cooking liquid from slow cooker, discarding solids, and pour into small bowls for dipping.
09 -
Serve warm sandwiches with the au jus on the side for dipping.