Barbecue Beef Sandwiches Jan Peterson

1 cup ketchup 1 Tbsp. prepared mustard

1/2 cup water 2 Tbsp. brown sugar

1/4 cup vinegar 1/2 tsp. salt

1/4 cup chopped green pepper 1/8 tsp. black pepper

1/4 cup chopped onion 4 lbs. raw beef (I use chuck)

1 1/2 Tbsp. Worcestershire sauce sliced thin

Combine all ingredients in crockpot. Cover tightly and cook until beef is tender - approximately 5 hours.