Gather ingredients: 2-3 lbs of beef chuck roast, sliced onion, and minced garlic.

Place beef chuck roast, onion, garlic, beef broth, Worcestershire sauce, thyme, salt, and pepper in the slow cooker. Stir to mix well.

Cover and cook on low for 8 hours until beef is tender.

Shred the beef in the slow cooker with two forks, mixing in the broth.

Slice crusty sandwich rolls open and fill with shredded beef, allowing broth to soak in. Add cheese if desired.

Garnish with fresh parsley and serve with broth for dipping.