Add the mangetout, pak choi, spring onions and mushrooms, and stir fry for another 3-4 minutes until they are all lightly cooked. Finish with the soy sauce, balsamic vinegar and fresh herbs.
Cook the stalks for about 5 minutes. Steam: Steam the leaves in steaming pan or pan with vented lid for 2-3 minutes and the stalks for about 5 mintues. Wrap unwashed bok choy in a loose plastic bag ...