Beef Barbecues - cooking recipe

Ingredients

3 lb. boneless beef
1 (8 oz.) can tomato sauce
1/2 c. water
1/4 c. vinegar
2 Tbsp. dry mustard
2 Tbsp. white sugar
2 Tbsp. brown sugar
2 thin slices onion
1 tsp. chili powder
1/8 tsp. salt and pepper
1/2 green pepper
1 can mushrooms
pinch of garlic
pinch of allspice

Preparation

Cook at 475\u00b0 for 20 minutes.
Turn down heat to 325\u00b0 and cook 3 to 4 hours.
You may want to thicken sauce a little.
Shred meat. Serve over buns.