Recipe : Barbecued Spareribs

Ingredients
6 pounds pork spareribs, cut into serving size pieces
2 tablespoons vegetable oil
1 medium onion, finely chopped
2 celery ribs, finely chopped
2 tablespoons butter or margarine
1 cup water
1 cup ketchup
3 tablespoons Worcestershire sauce
2 tablespoons brown sugar
2 tablespoons cider vinegar
1 tablespoon lemon juice
1 tablespoon Dijon mustard
1/8 teaspoon cayenne pepper

Directions
In a large skillet, brown ribs in batches in oil. Place ribs, bone side down, on a rack in a shallow roasting pan. Cover and bake at 350 degrees F for 1 hour. Meanwhile, in a skillet, saute onion and celery in butter until tender. Add the remaining ingredients. Bring to a boil. Reduce heat; simmer, uncovered, for 10-12 minutes or until slightly thickened.
Drain ribs; brush with some of the sauce. bake, uncovered, 1 hour longer or until the meat is tender, brushing frequently with remaining sauce.