A shiny gold door welcomes you to Niku, a buzzy, ultra-luxe steakhouse in the Design District. The swank, wood-lined interior features an array of cozy tables, but a seat at the handsome 18-seat chef’s counter allows you to watch Chef Dustin Falcon and company work their magic under the warm glow of the coals. Dinner might begin with their signature beef tartare or perhaps tender bone marrow. Then move on to the excellent steaks, like the Tomahawk built for two; or melt-in-your-mouth Imperial Wagyu filet mignon, served with 200-day-old kimchi, bordelaise sauce and sea salt.