Recipe from Slow Cooking by JamesMartin, published by Quadrille. This will help set the crackling. Score the skin of the pork with a sharp knife into strip, then rub the surface with the olive oil and sea salt
1 small, whole shoulder of pork, with skin on, about 2. 1. Set the oven to 200°C/gas 6. Using a sharp knife, score the whole skin of the shoulder with deep cuts about 5mm wide
