We dropped a real newbie into the chocolate game on this one.

The hero within this milk chocolate is called yerba mate – a holly plant of which the leaves and stems are processed to kick out all its flavours.

Thanks to ‘mateína’, a natural source of caffeine, it is an energizer, helps with concentration and thanks to its antioxidants, also helps everyone look younger for longer.

The reason why you never see any Argentinian looking older than 29, you know?