To Prep
In a large bowl, combine the pork slices and the marinade ingredients together and mix well. Set aside to marinate.
Make the sauce by mixing together the light soy sauce, oyster sauce, Chinese Shaoxing wine, dark soy sauce, Chinese five spice and sugar. Set aside.
To Cook
In a wok or large frying pan, heat the oil over a medium heat. Add the garlic, ginger and the bottom parts of the spring onion stems and stir-fry for 30 seconds.
When the ingredients have started to become aromatic, add in the pork cook the meat over a high heat until almost cooked.
Add in the sauce and stir-fry for another 30 seconds or until the sauce thickens slightly and the pork is cooked through.
Turn the heat off and toss through the green parts of the spring onion and the sesame oil.
Serve with any leftover spring onions!