Though there hasn't been a burger on the Gotham Bar and Grill menu since there was a margarita machine at the restaurant's elegant bar, chef and owner Alfred Portale knew the time had come: Portale wasn't using the trimmings from the 28 day dry-aged steak on his dinner menu, and he knew that had to stop. "The end piece, the aged fat, about four inches of the strip loin—all amazing pieces—were going to waste," says Portale. "I realized these could be elements of the most incredible burger." More