Vinnie'S Shredded Barbecue Beef
["3 to 5 lb. chuck roast", "2 bottles barbecue sauce (possibly more)", "1 c. red wine vinegar", "1/3 c. mustard", "2 Tbsp. Worcestershire sauce"]
["Cut roast in half or put in crock-pot whole.", "Mix ingredients. Pour over meat.", "Cook 8 to 10 hours, breaking meat apart after 5 hours and every hour thereafter.", "Shred meat with a potato masher and then cook 1/2 hour more.", "Serve on buns or rolls.", "Times may vary upon meat breaking up."]
["chuck roast", "barbecue sauce", "red wine vinegar", "mustard", "Worcestershire sauce"]