2, blanching just dehydrates the bean sprouts, otherwise a lot of water will flow out when frying. Bean sprouts, also known as bean sprouts, also known as Qiao Ya, Bean Sprouts, Ruyi, Caicai, Yinya, Yinzhen, Miao Yin, Bud Heart, Bean Sprouts and Qingshui Bean Sprouts, are edible "bean sprouts" cultivated from seeds of various cereals, beans and trees, and are also known as "live vegetables". Rich in variety and comprehensive in nutrition, it is a common vegetable. The main edible part is hypocotyl.