Exercise:

Cut the tenderloin into thick strips, add a spoonful of cooking wine, add a proper amount of black pepper, a little salt and cooking oil and marinate for 10 minute;

Sauce mixing: two spoonfuls of soy sauce, one spoonful of sugar, two spoonfuls of tomato sauce, one spoonful of vinegar, one spoonful of starch and half a bowl of water are mixed evenly;

The ratio of starch to flour is 1∶ 1, add a proper amount of clear water, stir evenly, stand for half an hour, remove the clear water on the surface, and hang the batter on the tenderloin;

The oil temperature is 60% hot, fry until golden brown, and take out. When the oil temperature rises again, fry again 1 min;

Pour the sauce into the pot and cook until it bubbles. Pour in the tenderloin, quickly spread the sauce and sprinkle with white sesame seeds.