Only the rub is dry when it comes to Anne's fall-off-the-bone tender pork ribs. For this dry-rub BBQ recipe, you'll take meaty spare ribs, rub them with a mixture of spices, soak them in some beer and roast them low and slow in the oven for a few hours. Finish them off on the grill for some extra char and coat them with a vinegar-and-tomato-based barbecue sauce for a dish that will feed and thrill a crowd.