How to crackle the Crackling.

This is from one of my friends from work, who proudly christened their new home with a cracking roast pork.  Most impressive. 1. Score the pork rind and rub olive oil all over it. 2. Lightly smear salt on top – not a tonne of salt. 3. Cook pork for 1hr on 180C. 4. Turn…