A bottle of Cointreau, freshly squeezed lemon juice and ice — with these basic ingredients, you have the foundations for a good party. Add vodka to the mix and you get a straight Cosmopolitan; substitute vodka with tequila and you get a classic Margarita. It works just as well with rum, whisky or even cognac. That’s the message 27-year-old Alfred Cointreau from Angers, France, is spreading as he travels across the globe as heritage manager for the orange liqueur we are all familiar with but think nothing of substituting with a synthetic-tasting triple sec from the neighbourhood grocer.