1, green beans need to be cooked for about 10 minutes. Wash the edamame, put it into the pot, sprinkle with salt, rub off the hair by hand, soak it in cold water for 15 minutes, and cook it on medium heat for about 10 minutes.

2. Soybean is panicum miliaceum of Leguminosae. Soybean is 30~90 cm high, with stout stems, erect or nearly twining upper parts, densely covered with brown bristles, leaves usually with 3 leaflets, racemes with short flowers and long flowers, plump pods, oblong, slightly bent and drooping, yellow-green densely covered with brown hairs, oval seeds, nearly spherical and ovoid to oblong seeds. The flowering period is from June to July, and the fruiting period is from July to September. Soybeans contain about 20% fat and 40% protein. It is also rich in vitamins and nutrients. Besides being eaten directly, it can also be used as sauce, soy sauce and various legumes. Stems, leaves, soybean meal and coarse soybean meal can be used as feed fertilizer and excellent livestock feed.