2Place ribs in a large pot over high heat with water to cover. Boil for 45 minutes. Remove ribs, allow to cool slightly, then cut into individual ribs.
3In a separate medium bowl, combine the onion, ketchup, vinegar, lemon juice, mustard, brown sugar, salt and ground black pepper.
4Arrange ribs in a 10x15 inch baking dish. Pour sauce over ribs.
5Bake at 350 degrees F (175 degrees C) for 45 minutes to 1 hour.
Footnotes
Tip
Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.