How the humble potato became the most important part of Christmas lunch, and how you can make them crunchier than ever

We all aspire to cook roast potatoes with the elusive shatteringly crisp shell and cloud-like interior, salivates Emma Hughes, as she discovers the golden rules for serving up the crunchiest of spuds

We all aspire to cook roast potatoes with the elusive shatteringly crisp shell and cloud-like interior, salivates Emma Hughes, as she discovers the golden rules for serving up the crunchiest of spuds