It’s such an entwined pair that it’s one of the few drinks that comes with its own ampersand (itself the most entwining keyboard symbol) and when one thinks of a G&T (gin and tonic, if you must) the only accompaniments that come to mind are a slice of lemon, a handful of roast peanuts and, if you’re lucky, some sunshine.
But as the gin craze of the last 10 years has demonstrated, there is more to gin than a slice of lemon. There is also more to tonic and, furthermore, peanuts are as...