3 lbs. beef cubes
1 c. beef bouillon
1 c. chopped onions
1 c. chili sauce
1 c. ketchup
1 T. Worcestershire sauce
3 T. cider vinegar
1/2 tsp. pepper
1/2 tsp. salt
1/3 c. light brown sugar
2 tsp. dry mustard
1 tsp. ground allspice

Put meat, bouillon & onions in crock pot on high for 4 1/2-5 hrs. Shred beef. Drain all but 2 cups liquid.
Put beef mixture & remaining ingredients back into crock pot. Stir well. Cook on high for 45 min. Serve on bulky rolls.