Pork shoulder can be roasted for just a couple of hours ... Mix with equal amounts of pork leg mince for a leaner mince. FAQs about BBC Food ...

Transfer the baking dish to the oven and roast the pork, basting with the marinade halfway through, until an instant-read thermometer inserted into the thickest part registers 145°, 25 to 30 minutes.

Although this way is more expensive - you have to buy the meat from a Chinese roast meat shop - it has the advantage of being quicker to make because you don't have to boil the pork first.