1 stalk celery, chopped
3 lg. onions, chopped
1 green pepper, chopped
6 lb. chuck roast
6 oz. ketchup
3 tbsp. Heinz 57 barbeque sauce
3 tbsp. vinegar
1 tbsp. Worcestershire sauce
1 tsp. chili powder
Salt & pepper

Place roast in crock pot. Mix remaining ingredients with 1 1/2 cups water and pour into crockpot. Cook 6-8 hours on high until beef breaks up with fork. Serve on buns.