Cover pork with olive oil and lots of salt, place on a tray and cook for 30 mins at 190°C, then after turn down to 160°C for 2 hours.

Peel and cut into half the potatoes, rinse under cold water to remove starch and brim to boil for 6-7 minutes

Prepare vegetables and drain potatoes, knock the potatoes about in the pan to chuff up and make crispy. Place oil in a tray and add potatoes, baste in oil and salt and pepper and place in oven at 200°C for 30-40 minutes. The pork needs an additional 30 minutes at this heat too to finish cooking.