BBQ'D SPARE RIBS

2 lbs country style pork ribs
2 tablespoons butter
1/2 onion, chopped
2 tablespoons brown sugar
1 cup tomato sauce or 1 cup ketchup
3 tablespoons Worcestershire
1 tablespoon mustard
1 cup water

Sauté onions. Mix all other ingredients together and add onions. Pour over meat. Bake in a roaster pan 1 1/2 hours at 350 or crock pot on low for 8 hours.