3 or 4 lbs. beef or pork roast
1 med. onion
1/2 c. chopped celery
2 tbsp. cider vinegar
2 tbsp. brown sugar
1 c. water
4 tbsp. lemon juice
3 tbsp. Worcestershire sauce
1 tbsp. mustard
1 sm. bottle ketchup

Mix all ingredients except roast. Bring to a boil. Add roast. Cook 3 hours on low heat. Take meat off bones. Mix with sauce. Serve on buns.

If doing in crockpot just add all ingredients to pot. Cook 6 hours on low.