1: Prepare the wet batter by mixing salt, white pepper, and cornstarch with water.
2: Coat the pork belly with the wet batter.
3: Heat oil in a pan and fry the battered pork until golden brown.
4: In another bowl, combine ketchup, Worcestershire sauce, sugar, white vinegar, and a pinch of salt to make the sauce.
5: Stir-fry the pineapple and green bell pepper in a separate pan.
6: Add the fried pork and the sauce to the stir-fried vegetables.
7: Toss everything together until well combined and heated through.
