Heat oil in a cooking pot.
Saute garlic and onion until cook.
Add the pork and season with fish sauce.
Then pour-in water and stir carefully. Cover and boil for 10 minutes.
After 10 minutes, put the banana blossoms. Cover and simmer for another 10 minutes.
Add the vinegar and chilies then simmer for about 10 minutes over low heat.
Transfer into a serving plate.
Share and enjoy!