Instructions:
Prepare the Slow Cooker: Place the chuck roast into a greased slow cooker.
Mix Ingredients: In a bowl, combine beef broth, garlic, brown sugar, balsamic vinegar, Worcestershire sauce, soy sauce, rosemary, thyme, salt, and pepper. Pour this mixture over the roast.
Cook: Cover and cook on high for 4 hours or on low for 6-8 hours.
Shred and Serve: Once cooked, remove the roast, shred it using two forks, and return it to the juices in the slow cooker before serving.