1 Package Udon noodles
1Pack of Natto
1Pack of Katsuobushi
2 tsps soy sauce
2 tbsps Green onion (chopped)
1 tbsp cooking oil

1. In a large bowl, soften noodle by soaking warm water for 5 minutes or until soft.  Drain noodle and set aside.
2. Using a frying pan, heat oil until hot over high heat.  Reduce to medium heat and add udon noodle, natto, katsuobushi, and  soy sauce.  Stir well for 3 minutes.
3. Turn off heat and transfer noodle to plate.  Garnish with green onion and serve hot.

From : www.biteofasia.com