Barbecued Beef On A Bun
["2 lb. chuck roast, cut in chunks", "1 small onion, diced", "1 c. ketchup", "2 Tbsp. brown sugar", "1 tsp. dry mustard", "2 Tbsp. Worcestershire sauce", "1/2 c. beef stock or bouillon", "1/4 tsp. salt", "1/8 tsp. pepper", "10 rolls"]
["Combine all ingredients (except rolls) in a Dutch oven.", "Cover and simmer over low heat for 2 1/2 to 3 hours.", "Shred by using fork."]
["chuck roast", "onion", "ketchup", "brown sugar", "dry mustard", "Worcestershire sauce", "beef stock", "salt", "pepper", "rolls"]