Pork bladder

Pork bladder: The pork bladder is a pouch that has contained pork urine, used in cooking to cook poultry, generally a chicken, in court bouillon. This is called "bladder cooking".
The fresh pork bladder disgorged in water with coarse salt and white vinegar, then rinsed, is wrung out before use.
The poultry poached in this sewn or securely tied bag for almost an hour. The secret of the recipe lies in the cooking of ...