Season roast with salt & pepper. Brown each side in a large pan over medium high heat.
Place condensed beef broth, condensed French onion soup, onions, light beer, garlic, rosemary, and Worcestershire sauce in a slow cooker. Cook on low 8 hours or on high 4 hours or until beef is tender.
Once roast is tender, remove from the juices and let rest 15 minutes. Shred or slice beef.
Butter rolls and heat under a broiler until lightly toasted. Top rolls with beef and serve with jus from the slow cooker for dipping.
