1, method 1: materials: cod, carrot, green pepper, onion, ginger and garlic, broth, sugar, salt, monosodium glutamate, water starch, monosodium glutamate and tomato sauce. Practice: oil cod, fry it until golden brown, take it out, and shred carrots and green peppers; Put a little oil in the pot, stir-fry the fresh Chili sauce into red oil, pour in cod, add onion, ginger and garlic, add broth and add a little sugar; Cover the pot and stew for 7-8 minutes. Pour the shredded carrots and green peppers, add a little salt and monosodium glutamate, and stir fry. Remove impurities from cod, clean the black skin inside, cut into 2 cm segments, soak the water starch and make the starch thicker. Prepare a large bowl, pour in vinegar, if it is rice vinegar, about a bowl, and add half as much sugar as vinegar. Add a proper amount of salt, monosodium glutamate and tomato sauce, stir well, then add a little pepper noodles and garlic slices, and also put them in the bowl juice. Taste it, and it will be sweet and sour. Heat the oil in the pan, put the cod pieces one by one when it is 60% hot, fry them until golden, take them out when the oil is 80% hot, pour them in and fry them again until they are golden and crispy, and take them out when the spoon smacks. Leave the bottom oil in the pan, pour the bowl juice into the pan and fry until it boils, pour the fried fish pieces into the pan and hang the soup evenly. Also, there is not much soup. If you cook a plate of cod, a large bowl of juice is enough, and the frying time must be short, otherwise the crispy shell of the fish pieces will be soft.

2. Practice 2: Main ingredients: two frozen cod, auxiliary materials: appropriate amount of green pepper, appropriate amount of pepper, appropriate amount of onion slices, appropriate amount of garlic, appropriate amount of soy sauce, appropriate amount of vinegar, appropriate amount of water and appropriate amount of salt. Practice: freeze two cod, thaw naturally, and wash. Tilt the cutting knife on the fish for better taste. Put oil in the pan, heat it, and fry the cod in the pan. Be careful not to turn over easily, fry one side and then the other. Add pepper, vinegar, soy sauce, garlic, onion slices, water and salt, as well as my favorite green pepper, and stew for half an hour.