4 lb. country style spare ribs
1 med. onion, chopped
2 tbsp. butter
3 tbsp. Worcestershire sauce
1 c. water
2 tbsp. vinegar
3 heaping tbsp. brown sugar
1 c. ketchup
1-2 tsp. mustard

Place spare ribs in pan of water (covered). Boil and simmer until tender, about 2 hours. Saute onions in butter. Add remaining ingredients, simmer until thickened.

Remove spare ribs from water. Place on cookie sheet with sides. Pour sauce over ribs. Bake at 350 degrees for 30 minutes.