Baked Barbecue Ribs

4 lb. country-style pork ribs
1 1/2 c. barbecue sauce
1 c. orange juice (no pulp)
1 onion, sliced

Arrange ribs in 9-inch by 13-inch baking dish and top with sliced onions. Whisk together barbecue sauce and orange juice; pour over ribs and onions. Cover dish tightly with heavy-duty aluminum foil and bake for three hours in preheated 300° oven. Uncover; increase oven temperature to 350° and bake for one hour longer, turning once after 30 minutes. Let stand for 15 minutes after removing from oven.