Marinate black fish fillets with starch, salt and white pepper for 20 minutes, stir-fry onion, ginger and garlic, add 2 spoons of Pixian bean paste, stir-fry red oil, pour into 2 bowls of water, add 1 spoon of soy sauce 1 spoon of white sugar, cook the side dishes, remove the fish fillets and cook them 1 more minutes, pour the soup and meat on the dishes, and sprinkle minced garlic and Chili powder on the fish.