Barbecue Beef Sandwiches

Ingredients
- 2 lb ground beef
- 12 c chopped onion
- 12 c chopped green pepper
- 12 c celery
- 2 8 oz cans tomato sauce
- 12 c catsup
- 2 Tbsp vinegar
- 2 Tbsp brown sugar
- 2 12 tsp Worcestershire sauce
- 2 tsp salt
- 12 tsp pepper
Directions
- Brown beef onions pepper and celery and cook until vegetables are soft
- Add remaining ingredients and simmer 2 hours
- Serves 8 to 10