Peel the yam, wash it, cut it into thin slices and soak it in water.
Wash and slice the meat, add proper amount of starch and cooking wine, mix well and marinate for 20 minutes.
Cut the green pepper into small pieces for use.
Put oil in a hot pan, add lean meat, stir fry quickly until it changes color, and add a little soy sauce.
Add yam and stir-fry for about 2 minutes.
Then pour in the green pepper and stir-fry until cooked.
Finally, add chicken essence and stir well.