Purple Yam with Glutinous Rice Ball

ingredients
1 purple yam - peeled and cubed
4 glutinous rice balls
2 bowls of water
2 pandan leaves
rock sugar to taste

 Method

1. Heat up water and pandan leaves in a pot.  Add purple yam and boil till tender.
2. Add sugar and glutinous rice balls and continue to boil till they float.
3. Serve warm.