When I was living in Japan I went on a road trip with my friends to Mount Fuji. We found a small park at the base of the mountain where all the locals were picnicking. We fired up our little barbecue with a hot plate and cooked this for the six of us – this dish will always take me straight back to that day.
Prepare the sauce by whisking together the ketchup, Worcestershire and soy sauces, mustard and pepper in a small bowl.
Heat the rice bran oil in a wok over a high heat, add the sliced chicken thighs and cook until nicely coloured. Remove the chicken and set aside.
Now add the cabbage, bean sprouts and onion to the wok, and cook until just beginning to brown. Add more oil as need