Use a sharp knife to score the pork belly skin in a crosshatch pattern, cutting ⅛ inch deep without cutting into the meat. Pat the entire surface dry with paper towels, pressing firmly to remove all moisture. Let pork belly sit at room temperature for 20 minutes.
1.5-2 lbs pork belly
Rub 1 teaspoon of neutral oil evenly over the skin. Sprinkle salt, black pepper, garlic powder, and five-spice powder evenly on the skin side. Flip and lightly season the meat side with the remaining spices.
1.5-2 lbs pork belly, 1 tbsp salt, 1 tsp black pepper, 1 tsp garlic powder, 1 tsp five-spice powder, 1 tsp neutral oil
Preheat the air fryer to 400°F for 5 minutes to help start crisping the skin immediately.
Place pork belly pieces skin-side up in the air fryer basket, leaving at least 1 inch of space between each piece to allow air circulation.
1.5-2 lbs pork belly
Cook pork belly at 400°F for 20 minutes. Carefully flip each piece using tongs, then continue cooking for another 15 to 20 minutes until the skin blisters and becomes golden brown and crispy. Check internal temperature at 35 minutes; it should reach 165-175°F.
1.5-2 lbs pork belly
Remove pork belly from air fryer and let rest on a cutting board for 10 minutes to redistribute juices. Slice into ½-inch thick pieces against the grain and serve immediately while skin is still crispy.
1.5-2 lbs pork belly