James Martin treats his Christmas dinner 'just like any other roast' - meaning he's had enough chances to perfect his roast potato recipe. The former Saturday Kitchen star relies on just three ingredients to guarantee his spuds have that delicious crunch, while maintaining a fluffy inside. Speaking to The Times , James explains his golden roasties won't be the only potato-based dish being served, as guests will also be able to tuck into some creamy Dauphinoise as well as a heaping of cheesy