Pierce the skin a few times, rub all over with lots of salt, then bake at 180 for 45 mins, turnover and bake for another 45.
Perfect fluffy inside and crunchy skin every time.
Zachy says he doesn’t like baked potato because he can’t cook them in his bedsit- he’s only got a kettle, a toaster, and one of those hot plate things to warm up soup