1. Combine all the marinade ingredients in a bowl and marinate the pork for at least 20 minutes.
2. Cook the noodles according to the directions on the package. When cooked, drain and then set aside.
3. In a preheated wok, heat 1 teaspoon of the oil and stir-fry the pork until the color has changed. Remove and set aside.
4. In the clean wok, heat the remaining oil and stir-fry the garlic and gingerroot until fragrant. Add the carrot and cook for 1 minute. Add the pork, salt, and stock and heat through. Finally, toss in the noodles, followed by the bean sprouts, and stir well. Sprinkle with the scallion and serve.