Read the directions on the package firstly and cook the noodle with 1 or 2 minutes less than suggested. Once cooked, drain and then drizzle sesame oil, mix well to separate the noodles.
Cut beef into shreds. Add a small pinch of salt, cooking wine and then 1 tablespoon of the sauce. Mix well and then add starch.
Fry garlic and ginger until aromatic. Fry green peppers and red onion until slightly soft. Place the noodles in. Add the sauce and return the beef.