Cut the contents of the pineapple & keep the juice to be use later.
Cut the onion & capsicum into pieces.
Cut the pork into cubes.
Whisk the egg.
Marinate the pork with 1 teaspoon salt, 1 tablespoon cornstarch, a pinch pepper & pour half of the egg.
Prepare the souce with 1 tablespoon of cornstarch, 2 tablespoon of white vinegar, 5 tablespoon of tomato sauce, 1 tablespoon light soy sauce & 1 cup of water.
Cover the pork with tapioca starch & deep fried until light golden brown.
Heat up 2 tablespoon of cooking oil.
Fried the onion & add capsicum and pineapple cube.
Pour in the sauce and bring it to boil.
Add in the pork, cook & simmer until the sauce is thickening.