1If beef roast comes in netting or is tied, do not remove. In 3 1/2- to 4-quart slow cooker, place beef. In small bowl, mix remaining ingredients except bread; pour over beef.
2Cover; cook on Low heat setting 7 to 8 hours.
3Skim fat from surface of juices in cooker; discard bay leaf and peppercorns. Remove beef from cooker; place on cutting board. Remove netting or strings from beef. Cut beef into thin slices. Cut each loaf of bread into 5 pieces, about 4 inches long; cut horizontally in half. Fill bread with beef. Serve with broth for dipping.