2. Cover and cook for about 10 minute, and turn off the heat when a small number of pods are slightly cracked. Don't wait for the beans to burst before cooking. If cooked, they will turn yellow.
3. Cool the picked edamame with cold water, then wash the water and mix well with salt and monosodium glutamate.
Generally, soybean is green when it is half-cooked, and chlorophyll is not destroyed, but it will swell when it is half-cooked. Boiled edamame sold outside is green and fresh with additives. For the sake of safety, it is best to cook and eat, especially for the elderly and children. Beans are easy to digest when cooked, but such soy bean clips will cook yellow.