Sweet and sour pork

Methods:

Slice the pork into strips and add a tablespoon of salt, half a tablespoon of white pepper and a tablespoon of cooking wine to marinate for ten minutes

100g sweet potato starch (10 tablespoons or so) 3g baking powder (? a tablespoon) 1 egg white 2 tablespoons of oil and moderate amount of water and mix it to the batter until the texture of the yogurt is hanging on each piece of meat

5 spoons of ketchup 1 spoons of light soya sauce 2 spoons of white vinegar 2 tablespoons of sugar 3 tablespoons of water starch

Heat the oil and put a piece of meat into the bubbles, then one by one into the whole process of low heat deep fry until golden brown, then fish out

Low heat simmering sauce until thick turn off the heat and pour in the tenderloin stir fry sprinkled with white sesame seeds