Marinate the chicken in the Cantonese stir fry chicken sauce, for 1 hour, and then char grill till cooked.
To make the dressing.
Put the vinegars, sugar and ginger in a pan and simmer till reduced. Allow to cool, transfer to a blender and gradually add the orange juice, paw paw and olive oil, season.
Slice the chicken breast and toss with the salad leaves and dressing and serve.