Sweet potato soup ( 15 minutes )

5 pcs of difference type of sweet potato 

Ginger tea concentrate http://catpiab.blogspot.com/2013/11/how-to-cook-jinger-tea-concentrate.html

3 pcs of pandan leaves 

Stage 1 

Put the pandan leave boil with water 

Stage 2 

Put the potato cube inside and boil untill soft 

Stage 3 

Put the ginger concentrate as you like inside the pot