100g red bean, 2g dried tangerine peel, adequate water, 30g rock sugar
1.Soak red bean over-night; soak tangerine peel in warm water until soften.
2.Scrape away most of the white pith on the inside of the peel.
3.Heat enough water, put in red bean and tangerine peel.
4.Bring to boil with high heat and then turn to medium low heat and continue to boil for 1 hour or until soften.
5.Add in rock sugar and boil until melted, done.