1. First, pour an appropriate amount of cold water into the basin. Put an appropriate amount of dried beans into a basin and soak for about 2 hours. Remove the soaked dried beans and drain the water, then cut them into sections for stir-frying.

2. Soak in warm water: First, soak the dried beans in warm water for 20 minutes to wash away the impurities inside. Pour enough water into the pot to start a fire. After the water boils, add one star anise and two fragrant leaves, wash the dried beans in warm water and cook.