Crispy chicken skin depends on controlling surface moisture, encouraging the Maillard reaction, and protecting meat juices while rendering fat. J. Kenji López-Alt at Serious Eats demonstrates practical steps that home cooks can follow, and Harold McGee at The New York Times explains the science behind why those steps work. The United States Department of Agriculture Food Safety and Inspection Service sets the safety baseline by recommending an internal temperature of 165°F (74°C) for poultry.
Drying and salting
Begin by removing as much surface moisture as possible. Patting the skin dry with paper towels reduces immediate steam during cooking; air-drying the bird uncovered on a rack in the refrigerator for several hours to a day further dries the skin and concentrates salt. Dry brining—sprinkling salt over the skin and under the skin where possible—draws moisture out and then back in, seasoning meat and tightening the skin so it crisps more readily. J. Kenji López-Alt at Serious Eats also recommends a light dusting of baking powder alongside salt in some preparations because it raises pH and promotes browning and crispness through altered protein reactions.Heat, structure, and finish
Structure matters: spatchcocking flattens the bird so it cooks evenly and exposes more skin to dry heat, reducing overall cooking time and improving crisping. Roast on a rack so rendered fat can drip away, and use high, dry heat to promote Maillard browning; finishing under a broiler for a short interval can add extra color and texture. Harold McGee at The New York Times highlights that the Maillard reaction requires dry surfaces and sufficient heat to form the complex browning compounds that produce flavor and crispness. Use a reliable thermometer and follow United States Department of Agriculture Food Safety and Inspection Service guidance to ensure the thickest parts reach 165°F to be safe to eat.Nuances matter: in humid climates, fridge air-drying is less effective, so extend drying time or use a circulating fan. Excessive salt or overly long drying can desiccate the meat, so balance crisp skin goals with juicy flesh. Culturally, some cuisines prize a paper-thin crackle while others prefer a more tender, blistered skin; techniques can be adapted accordingly. Following these scientifically grounded steps yields consistent, crispy skin without sacrificing safety or flavor.