1- 1/4 c water
2 - 2 medium onions, chopped
1- 1/2 tbsp brown sugar
1 tsp salt
1 tsp dry mustard
1 (8 oz) c tomato sauce
3 tbsp Vinegar
3 tbsp Worcestershire
1 tsp chili powder
4 lb. Spareribs, cut in serving pieces

Combine all ingredients except spareribs; heat to boiling. Pour sauce over spare ribs. Chill overnight if desired.

Bake covered at 450°F for 30 minutes.

Bake uncovered at 350°F for 1 hour and 30 minutes to 2 hours.