1, green beans fried for about six minutes will be cooked. In general, green beans are not suitable for long cooking, otherwise they will change color, but green beans are not fried to eat, it is easy to be poisoned, so you can soak the green beans in water for about 3 hours before the pot, and then simmer for two or three minutes when frying, and then stir fry for three minutes over high heat.

2, green beans are soybeans, peas alias. Soybean belongs to the legume family soybean genus annual climbing herb. According to the color of its cotyledons, and can be divided into green skin green kernel soybean and green skin yellow kernel soybean two. Is one of China's important food crops, has been five thousand years of cultivation history. It is commonly planted in China, in the northeast, north China, Shaanxi, Sichuan and the lower reaches of the Yangtze River are produced.