The location may well come like a surprise — an entire-blown, sit-down Uyghur restaurant only a dumpling’s throw from Macy’s in Midtown — but many of the Uyghur classics are here, from steaming plates of dumplings, a wide variety of noodles, a myriad of lamb, and the basic large tray hen (da pan ji), a spicy stew of hen and potatoes served