How to Make It
Preheat the broiler. In a bowl, toss the chicken wings with the oil and season with salt and pepper. Arrange the wings on a rack set over a baking sheet and broil 10 to 12 inches from the heat for about 45 minutes, turning once or twice, until golden, crisp and cooked through.
Meanwhile, in a blender, combine the vinegar with the brown sugar, soy sauce, sweet chile sauce, Sriracha, ginger and half of the scallions and puree until very smooth. Transfer the sauce to a large saucepan and boil over high heat until thick and glossy, about 5 minutes. Add the chicken wings to the sauce and cook, tossing gently, until glazed, about 3 minutes. Transfer the wings to a platter and garnish with the remaining scallions and the sesame seeds.