I also tried sweet and sour dishes for the first time. After I made them, I found that they were slightly sour. I summarized my experience and wrote down this recipe. You can try it. It's an appetizer.
Step1:Cut the loin into index fingers. Mix the cooking wine, salt and starch with water.
Step2:Heat the oil to 80% of the heat. Fry the tenderloin one by one in the oil pan. Don't turn it. The meat will float. If it doesn't, fry it to a light yellow color and turn it over with chopsticks.
Step3:Fried pork tenderloin. Fry it in oil pan twice until golden brown.
Step4:Hot oil in the pot. Stir in ketchup and stir fry until red.
Step5:Mix vinegar, sugar, salt and water starch into the sauce. Stir in the tomato sauce and stir well.
Step6:Then pour in the fried sirloin. Stir fry it quickly. Start the pot.
Cooking tips:When you make it at home, you don't have to use too much oil. After the loin is pasted, you need to fry it in the oil pan one by one. Don't turn it over after cooking. It won't stick until it's light yellow. After frying, take it out and put it in the pot until golden brown. After the sauce is mixed, stir fry it quickly. Otherwise, it will be easy to paste. There are skills in making delicious dishes.