Step 1

Soak the udon noodles in warm water for just a minute or two until separated. Drain and set aside.

Step 2

Heat a wok or large pan over medium-high heat. Add the oil and stir fry the ginger, garlic and white parts of the green onion until soft and fragrant. Add the sliced mushrooms and fry until nicely browned. Add the bok choy and fry until wilted and the stems are slightly softened. Add the noodles and fry until warmed through. Add the soy sauces, sugar and salt to taste.

Step 3

Serve, garnished with the green parts of the green onions.