Biji salak

2 buah ubi jalar, swet potatoes 200 gr palm sugar 400 ml water 1 pce pandan leaf 200 ml coconut milk 2 tsp salt 200 gr tapioca flour how to make : steam sweet potatoes until soft, mix with a pinch of salt and smashed when the mashed potatoes is cool, mx with tapioca flour roll over the mixture, and cut diagonal to make a diamond shape boil palm sugar & water, boil the diamons shape biji salak for 10 minutes put aside and add coconut milk