taken from thekitchn
1/2 c. beef or chicken broth
1/2 c. balsamic vinegar
2 T brown sugar
2 T Worcestershire sauce
3 cloves garlic, smashed
1 (3-pound) beef chuck roast
Salt and pepper
Place broth, vinegar, sugar, Worcestershire, and garlic in a 6-quart slow cooker and stir to combine. Season beef with salt and pepper. Add to slow cooker and spoon liquid over top. Cover and cook on LOW for 8 hours. Shred the beef and return to slow cooker and mix with sauce.
