About: These mixes are typically made of Asian greens and other hardy greens such as kale, rainbow chard, mustard greens, napa cabbage and broccoli rabe. One of the best things about these mixes is that they cook up fast—the trick to making great stir-fry is to cook the greens only for a few minutes. There are innumerable ways to make stir-fry. Don’t be intimidated if you do not have all the ingredients for a certain recipe. Just work with what you have! To braise greens, cook them for a few minutes with oil at a high heat and then add a liquid.