With the launch of lunch service Friday to Sunday, David Chang’s twelve-seat Ko has just gotten a smidgen more accessible. But be sure you have nothing more challenging than a nap planned for the rest of the afternoon: The cavalcade of inventive small plates, which currently includes beef carpaccio with quark, horseradish, and baby leeks (pictured), lasts a leisurely three hours and costs $160 ($255 with the wine pairing). 163 First Ave., nr. 10th St. Reserve at momofuku.com.