Step1:Cut the tenderloin into thicker slices. Use cooking wine, pepper and a little salt. Marinate for half an hour.
Step2:Two parts of starch and one part of flour are made into paste with water.
Step3:Wrap the meat in paste. Heat the oil at 60% and fry it. Fish out. Heat oil at 80%. Fry again. Fry until golden brown.
Step4:Put the bottom oil in the pot. Heat the oil and add the shredded onion and ginger, tomato sauce, vinegar, sugar, a little soy sauce, water, until it bubbles. Pour in the fried meat. Stir quickly. Turn off the heat. Remove.
Cooking tips:There are skills in making delicious dishes.