Sweet and sour sirloin
tenderloin:300g
cooking wine:moderate amount
soy sauce:1 teaspoon
salt:a few
starch:moderate amount
ketchup:moderate amount
scallion:a few
ginger:a few
https://cp1.douguo.com/upload/caiku/1/5/b/yuan_154da52adc1c210c3d57c9d48377957b.jpeg