Recipe from https://www.youtube.com/watch?v=nLdvLt8XQ3Y
Refer to https://www.youtube.com/watch?v=nLdvLt8XQ3Y
Additional comment from You Rui:
Beware of the salt amount. Kosher salt doesn't seem to exist in Malaysia, I used Himalayan salt with no additives (no anticaking agent), it is a bit more fine than kosher salt, I cut the amount in half and it seems to work