Cornish vineyard Polgoon is launching Aval Rose, a sparkling drink made from English apples that are blended with Scottish raspberries before undergoing the 'methode traditionelle' double fermentation process used by Champagne makers. "Aval Rose is like a sparkling wine in look, texture and aroma. The hope was to create a drink that took English apples in a new direction," said Polgoon owner Kim Coulson.