Specific steps:
Cut the red fish into pieces and sprinkle with flour and mix well.
Pour the oil into the pot and heat it.
Fry the fish pieces in oil until they are 70% cooked and golden brown.
Pour out the oil, leave some oil, stir-fry chopped green onion, shredded ginger, pepper and pepper,
Pour a proper amount of cold water, and put the fried fish pieces into the water for stewing.
Add a little onion and small ground oil and serve.