1. Wash red beans and soak them in clear water for 2 hours.

2. Wash lotus seeds and dried tangerine peel, remove the roots of fresh lily, remove the black edges, wash and drain for later use.

3. Put the red beans, dried tangerine peel and lotus seeds into the pot, add enough water, boil over high fire, and then turn to low heat 1 hour. During this period, always pay attention to the amount of water in the pot, and often stir the red beans in the pot with a spoon to avoid sticking to the pot.

4. After the bean paste is cooked, add fresh lily and rock sugar and continue to cook for 5 minutes. Stir the bean paste with a spoon while cooking until the crystal sugar is completely melted and the bean paste becomes sticky.