Place the ginger, celery, scallions, coriander, and mint on a large cutting board and pound with the bottom of a heavy saucepan till smashed. Place in a large bowl, and add mirin and sesame oil.

20-30 mins depending on the size of the wings, flipping once halfway through cooking. Remove from oven, place on a serving platter with ginger-scallion relish and eat immediately.