Simmer for 3 minutes or until the labanos is half cooked. HOW TO COOK SINIGANG NA HIPON: Bring water to a boil. Hello Guys, Please watch my new upload video, PLEASE DON'T FORGET TO SUBSCRIBE MY CHANNEL and click also the notification BELL ICON to notify you every time that I have a … Add the tamarind powder and fish sauce. Let stand for 5 minutes. Remove from heat, add the bokchoy/pechay or pepper leaves. Serve hot. Simmer for 5 minutes. Add the shrimps. Add the tomatoes, onion and labanos.