Potato and Gorgonzola Focaccia is a guest recipe by Ursula Ferrigno so we are not able to answer questions regarding this recipe You will need a 38 x 25 x 2.5cm (15 x 10 x 1 in) rimmed baking sheet.
Pour the milk and cream into a pan, then add the vanilla bean and seeds and heat to just before boiling. Meanwhile, fill a large bowl with ice and set another heatproof bowl or container on top. Put ...