This is a kind of bean, slightly toxic, especially pods and seeds. According to my hometown's practice, scald it with boiling water first. Boiling water is black, which is the toxin inside. After boiling, take it out and soak it in cold water for one night. The next day, you can cut and fry as usual, add shredded ginger, shredded garlic and shredded pepper. Very, very delicious.

Be careful not to eat too much. The following are pictures of beans: