1. Cut pork belly into convenient pieces, blanch in boiling water. Dish out, drain well.
2. Heat up 1 tbsp cooking oil in a preheated wok to sauté garlic and shallot over low heat. Add pork belly, salted black bean and salted bean paste, stir well aromatic.
3. Add water and seasoning, bring to boil over high heat. Cover with lid, reduce to low heat. Let it simmer for 40 minutes until pork belly is tender and the sauce is thick. Remove from heat, sprinkle with diced chilies and spring onion. Serve hot.