What started as Omaha’s hottest ramen pop-up has ended its brief run as a bricks-and-mortar restaurant. Ugly Duck Ramen, which helped ignite the local ramen craze, has closed its doors.

Chef A.J. Swanda has partnered with restaurateur Charlie Yin, who has closed his Midtown Crossing restaurant, Pana 88. Together, Swanda and Yin will open Ugly Duck in that spot in ...