"The steak should... have a vibrant, rich color, which indicates freshness," Rosenberg advises. "There should be no odor to the tomahawk." If you're not cooking a tomahawk steak yourself ...
Make sure the steak is at room temperature. Heat the barbeque or an iron pan grill on a high heat. Score the fat side. Season the flesh generously with flaky sea salt and freshly ground pepper.