01 - Pat beef chuck roast dry with paper towels. Season all sides generously with salt and pepper.
02 - Heat olive oil in a large skillet over medium-high heat. Brown the roast on all sides, about 3 to 4 minutes per side.
03 - Place carrots, potatoes, celery, and chopped onion into the bottom of the slow cooker.
04 - Set the seared beef roast carefully on top of the vegetables in the slow cooker.
05 - Distribute minced garlic, rosemary, thyme, and bay leaves evenly over the roast and vegetables.
06 - Pour beef broth and Worcestershire sauce over the ingredients in the slow cooker.
07 - Cover slow cooker and cook on LOW setting for 8 hours, until the beef is tender and easily shreds with a fork.
08 - Remove bay leaves and herb stems. Slice or shred beef and serve alongside cooked vegetables and pan juices.