There are many ways to can fish with tomato sauce, such as canned herring with tomato sauce and canned Spanish mackerel with tomato sauce. Take these two ways as an example, the practice is as follows:

Canned herring with tomato sauce:

Ingredients: 400g herring, onion 100g, 30g ginger slices, 200g tomato sauce, 20g seafood soy sauce, 75g cooking oil, 20g fine sugar, cooking wine 10g, proper amount of salt and water.

1. Remove viscera and gills from herring and clean it;

2. Cut the washed herring from the middle and put it on kitchen paper to absorb the water on the surface of the fish;

3. Put the cooking oil in the pot, and fry the fish, onion and ginger slices in the pot;

4. When the surface of the fish is golden yellow, take it out and put it in a bowl to control the oil;

5. After the fish is fried, pour out the remaining oil in the pot and add tomato sauce, seafood soy sauce, cooking wine, salt and water;

6. Cook the soup with a small torch until it is uniform. Cook the fish and the cooked soup in a pressure cooker.

Tips:

1, when frying fish, the amount of oil is relatively large, so you must dump the remaining oil before boiling the soup to avoid the finished product being too greasy.

2, pressure cooker stew, not only saves time but also completely softens the fish bones. If you don't have a pressure cooker, you can use iron pot stew, but it takes a long time.

3, stewed herring, do not eat immediately, it is best to season in the pot for 4-5 hours.

Canned Spanish mackerel with tomato sauce:

Ingredients: 800g of Spanish mackerel, 6g of salt, 3g of cooking wine, 3g of ginger, 3g of peanut oil10g, 3g of white wine, 5g of onion, 2g of garlic, 5g of soy sauce, 3g of vinegar, 3g of steamed fish black soybean oil, 20g of soft sugar, 2g of pepper, 2 bags of tomato sauce, 20g of tomato sauce and 300g of water.

1, clean the fish, marinate with salt and cooking wine for 20 minutes, heat the pot, and rub ginger on the pot (don't touch the fish);

2, hot pot to cold oil fried fish does not touch, fried fish on both sides;

3. Put the fried fish in a pressure cooker, add liquor, onion, ginger, garlic, soy sauce, steamed fish soy sauce and vinegar, and add more sugar and pepper;

4, 2 bags of tomato sauce, and then add tomato sauce (tomato sauce, tomato sauce and vinegar are all sour, adjust the acidity with white sugar, flexibly control the amount of white sugar, and taste it yourself after adjustment);

5, the electric pressure cooker can be cooked in about 25 minutes, and the bones are brittle and rotten.