Pinatisang pata | Pork leg in fish sauce

Easy to cook recipe, Sobrang sarap at ndi ka mahihirapan sa ingredients. try mo na 😁
INGREDIENTS:
1-1/2 kilo pork pata (pork leg)
2 head garlic
2 tbsp pepper craked
4 tbsp fish sauce (patis)
5 tbsp vinegar
5 cups water
2 tbsp soy sauce (optional)
1 tbsp chili flakes (optional)