Barbecued Spare Ribs

3/4 cup catsup 3/4 cup water	1 Tablespoon chili powder 2 Tablespoon Worcestershire sauce
Sprinkle salt, pepper, and paprika over ribs. In baking pan, brown ribs rapidly at 450 degrees. Cover ribs with thinly sliced onions, then pour the following sauce over the ribs. Cover and bake 1 1/2 hours at 350 degrees.