How much is suitable for drying roast chicken?

Seven days. Before the roast chicken is air-dried, marinate the chicken with marinade for about 24 hours before it can be air-dried. The air drying time is as long as 7 days, mainly to ensure the moisture of roast duck. Roast chicken is a traditional dish with China flavor. Part of the cooking method is to fry the chicken coated with caramel, and then cook it with salt water made of spices.