Combine 3 tablespoons of sherry cooking wine, salt, and 1 teaspoon of sesame oil in a bowl. Mix well. Add the fish cubes and marinate for 30 minutes.
1 lbs fish fillet, 1 1/2 teaspoons sesame oil, 5 tablespoons sherry cooking wine, 1/2 teaspoons salt
Soak the salted black beans in warm water for 15 minutes. Drain and set aside.
3 tablespoons salted black beans
Heat the cooking oil in a pot over medium high heat. Remove the fish from the marinade and coat each piece evenly with 3 tablespoons of cornstarch. Fry the fish in batches until light brown and crispy. Remove from the pot and set aside on a plate lined with paper towels.
1 lbs fish fillet, 3 1/2 tablespoons cornstarch, 1 cups cooking oil
In a bowl, combine the chicken stock, remaining sesame oil, remaining sherry cooking wine, ground black pepper, remaining cornstarch, and sugar. Mix well and set aside.
1 1/2 teaspoons sesame oil, 5 tablespoons sherry cooking wine, 3 1/2 tablespoons cornstarch, 3/4 cups chicken stock, 1/4 teaspoons ground black pepper, 1/2 teaspoons sugar
Heat 3 tablespoons of oil in a separate pan, preferably from the oil used to fry the fish. Sauté the garlic, ginger, and drained salted black beans for 30 to 60 seconds.
3 tablespoons salted black beans, 1/2 teaspoons ginger, 1/2 teaspoons garlic
Add the fried fish cubes back into the pan and gently stir to combine.
1 lbs fish fillet
Pour in the sauce mixture and continue cooking while stirring gently until the sauce thickens and coats the fish.
Sprinkle the chopped green onions on top. Transfer to a serving plate and serve warm.
4 stalks green onion