BBQ Country Style Spare Ribs

4 lbs Spare Ribs

Sauce
1 cup water
1 cup catsup
2 tsp. salt
2 TB Worcestershire
1/4 cup brown sugar
2 tsp. dry mustard
1 cup sliced onion
1/2 cup vinegar

Bake (covered) the spare ribs at 350 for 1 hour. Drain liquid and pour sauce over the ribs. Bake (covered) for 1 1/2 hours and then uncovered for 15 more minutes. The meat should be very tender.