Put water in a cooking pot and add bay leaves, peppercorn, ground black pepper, garlic, onion and salt. Add in the pork slab making sure it is submerged in the water. If not, add water as needed. Bring it to a boil for 30 minutes or until pork is fork tender.
Remove the pork from the pot and let it cool. Scrape scum from the pork. Pat it dry making sure all waters that it absorbed during boiling is taken out. Then prick the pork skin using fork. If water comes out, pat it dry again with paper towel. Rub salt all over the pork belly slab.
Remove the pork from the pot and let it cool. Pat it dry making sure all waters that it absorbed during boiling is taken out. Then prick the pork skin using fork. This will help in making the pork belly crispy. If water comes out, pat it dry again with paper towel. Rub salt all over the pork belly slab.
Remove from air fryer, slice the pork and serve with your favorite sauce. Share and enjoy!