When the tradition of drinking chocolate first took hold of London society in the 17th century, early aficionados had no idea what lay in store. It was hundreds of years before white chocolate finally arrived on sweet-shop shelves not long after, Whittard went and reinvented the hot chocolate flavour wheel with its famous white hot chocolate. Brimming with buttery sweetness, this much-loved classic calls for a mountain of whipped cream and an avalanche of marshmallows.