 The dish consists of deep fried pork in bite sized pieces, and subsequently stir-fried in a more customized version of sweet and sour sauce made of sugar, ketchup, white vinegar, and soy sauce, and additional ingredients including pineapple, green pepper (capsicum), and onion.In more elaborate preparations, the dish's tartness is controlled by requiring that Chinese white rice vinegar be used sparingly and using ketchups with less vinegary tastes, while some restaurants use unripe kiwifruits and HP sauce in place of vinegar.Western cultures use sweet and sour sauce in two different ways.