A closer look at the Corvina, Gruner Veltliner & Touriga Nacional grape varities

When deciding on your Friday night tipple in your local bottle shop it’s easy to head straight to what you know – that nice cushion-filled, candyfloss comfort zone – known in my world as probably a nice chilled bottle of Kiwi Sauvy or an intensely full-bodied Barossa Shiraz. But think about it for a second,…