Heat oil in a pan. Saute garlic and onion until the onion gets soft.
Add the chopped unripe jackfruit. Cook for 3 to 5 minutes.
Put-in the tinapa flakes (smoked fish flakes). Stir and cook for 1 minute.
Add the ground black pepper and chili peppers.
Pour-in the coconut milk. Let boil. Add the shrimp paste and vinegar. Stir. Cover and cook in medium heat for 15 minutes while stirring occasionally.
Add the malunggay leaves. Stir and continue to cook for 5 to10 minutes.
Sprinkle some salt only if needed. Stir.
Transfer to a serving bowl.
Serve with a cup of warm steamed white rice.