Preheat a wok or frying pan, add the oil and sauté the pork, onion, garlic and ginger for 3-4 minutes until coloured and fragrant. Remove from wok and set aside to rest.
Reheat wok or pan, add the sliced carrot, capsicums and pineapple, and sauté for 2 minutes.
Add the stock or water and cook for 2 minutes to soften the carrot.
Add the BBQ sauce and return pork and onion mix to pan, heating through.