The truth about the potatoes

We used to make roast potatoes.

Every other Sunday, or thereabouts. We would worry and fuss over them like they were our children. Was the fat hot enough? Should it even be hot yet? Did it really matter if we washed them before chucking them in the tin? Parboiling – yes or no? How often should we take them out of oven and shake the roasting tin to zhuzh …