Defrost Udon noodles under running water. Strain water very well. Or prepare dried Udon noodles according to the directions on a package. Cut pork and vegetables into bite size pieces.

In a frying pan, heat oil well at medium high heat. Add pork, and cook until brown. Add carrot, green pepper, and onion and stir fry for a minute. Add cabbage and cook further until vegetables get lightly wilted. Add Udon into the same pan and cook for a couple of minutes. Season with soy sauce and white pepper if you have it. Top with Katsuobushi and Benishoga if you like.