So what does it take to get skin crisp? There are a few factors involved: Dehydration and rendering: The crisp skin of a fried wing is made up of a hardened matrix of proteins, with some amount of liquid fat trapped in the interstitial spaces. Before this matrix can crisp, two things must happen: The water must be fully driven from it, and the subcutaneous fat from the chicken must liquefy, some of it draining out, some of it soaking into the meat, and some of it taking the place of the liquid. Frying, which takes place in an environment well above the boiling point of water, accomplishes this rapidly. Hot oil also transfers heat much more rapidly than hot air in an oven, causing this dehydration to proceed at an accelerated rate.
My first thought was simple: Why not fry them in the oven? To this end, I preheated a rimmed baking sheet, with a half cup of oil coating the bottom, in a 450°F (230°C) oven.