2. Peel the iron stick yam, wash it and cut it into small pieces for use.

3. Put the soaked red beans, washed coix seed and yam into the pot together, add water, cover it, and heat it to the pot with medium heat to boil. When the water boils for about 10 minute, turn off the fire without opening the lid and stew for 30 minutes.

4. When eating, you can put a little brown sugar, which can increase the taste of porridge and also play the role of enriching blood and nourishing skin.