Pour-in the water in a cooking pot. Let boil.
Put-in the brown sugar. Stir.
Add the vanilla extract (or essence) and salt. Stir once more. Cook for 1 minute.
Add the saba banana. Cover the cooking pot. Adjust the heat to low and cook for 10 to 15 minutes. Let the liquid reduce to half. Turn-off the heat and allow the banana to cool.
Transfer to a serving bowl. Top with shaved ice and pour evaporated milk.
Serve. Share and enjoy!