Every once in a while I crave short ribs prepared with liquid smoke surrounded by four basic vegetables: potatoes, carrots, corn, and onions. Less is more and this simple recipe is a winner in our home every time. My Grandma used to add bone marrow to this dish and my brother and I would fight over who was getting the larger piece. The buttery flavor of the marrow, spread over a warm corn tortilla and lightly salted, is an ac