The marinating wine of Hunan fish will not be bitter if you add too much pickling wine. If you want Hunan Zha to be crispy on the outside and tender on the inside, you need to add more pickling wine. If you add too much pickling wine, it will not taste bitter. Wash the fish first, make a few cuts on the fish diagonally, add some cooking wine, salt and ginger slices to marinate for a while. , then rinse with water. Add cornstarch and egg white and mix well.