Yakisoba is a popular takeaway dish in Japan and is usually served with a fried egg on top and with some Japanese mayonnaise. It is a popular festival food and can be found all over Japan.
In a small bowl, mix together soy sauce, rice wine, and sugar, stirring to dissolve.
Cook noodles in boiling water about 8 minutes, or until tender.
Drain noodles and rinse under cold water.
In a large deep skillet or wok, cook onion in oil for about 3 minutes.
Add the cabbage, carrot and ginger and cook until cabbage is softened, about 3-5 minutes.
Add the pork and cook for 2 minutes more.
Cover the mixture with noodles and pour the sauce over all.
Cover and cook for 3-5 minutes, the remove the lid and toss the mixture together until it is well combined.
Place on a serving platter and garnish with chopped scallions, if desired.