Organic sweet potatoes soup with lotus seeds

Ingredients:

4 organic sweet potatoes
1 cup of dry lotus seeds
2 litres of water
2 slices of ginger
4 pieces of pandan leaves
1 piece of honey rock sugar

Methods :
~ Wash and peel the sweet potatoes. Chop into small pieces
~ With dry hands, split the lotus seeds into half  with a small knife and  remove the developing sprout from within if any. Do not wash the seeds.
 ~  In a small pot, add suffficient water to immerse the seeds completely and bring to a boil under high heat.
 ~ While the water is still boiling hot, gently slide in the lotus seeds. Boil on low high till the seeds have soften. You can check by compressing them with the back of your spoon.
~ Then boil another pot with water and add in the pandan leaves, ginger slices and  honey rock sugar
~ Boil for about 5 min and taste the sweetness. If ok, add in the sweet potatoes and boil on low flame.
~ When the sweet potatoes had soften , add in the lotus seeds last.
~ Off the flame and serve while warm.