The chopped choy sum are heated up in a dry wok, stir to release any water, add chopped chillies and a pinch of salt, and stir till the wok is no longer moist. (mycookinggallery.blogspot.ru)
Yu choy, or choy sum as it's sometimes called, is a popular dish at dim sum restaurants all over the world. (purplecarrot.com)
This method is very different from my regular way of cooking choy sum, which I stir - fry without any blanching or sauteeing the veggie to release it's moisture. (mycookinggallery.blogspot.ru)