Last week, Aqua London’s Nico Peratinos showed us how to “calm our senses”, by imbibing a delightfully naughty little camomile-spliced number, inspired by Aqua’s own Hanging Gardens of Kyoto installation – in partnership with Tanqueray No. TEN and cut flower florists Rebel Rebel.

This week, he’s looking to enliven our spirits rather than soothe them, with the second instalment of his potent Japanese-themed cocktails, the misleadingly simply named Shiso Leaves. As you might expect from this mixologist-inventor extraordinaire, this is no two-ingredient fly-by-night blend.

Rather, it’s a complex and breathtakingly exotic twist on the classic Gimlet, a summery fusion of gin, fresh lime and a simple sugar syrup. The decidedly British cocktail, invented around the mid-19th century, was a favourite with tropical-bound sailors, keen to sup anything citrussy to ward off the dreaded scurvy. Its simplicity made it easy for the average Joe to make back home, and thus a classic was born.

Here, Peratinos ups the ante by fusing the feisty little beverage with the flavours of Japan, namely in the addition of shiso leaves, a mint-laced cooking herb found in Japanese cuisine which adds a – surprisingly delicious – fresh-cut grass aroma to the mix.

Drink something that tastes like grass? Have we lost our minds? Maybe. But we’re delighted about it, because the botanicals in the gin shine here like the luckiest of pennies.

“The earthiness in conjunction with the crispness make it the perfect transitional drink from summer to autumn,” agrees Peratinos of his heady blend. Nodding to the warmer seasons with its fruit cocktail of passion fruit and pear, while gently incorporating the warmer, earthy notes of autumn through the matcha green tea syrup, this cocktail might seem challenging, but actually, served long, over crushed ice, it’s a uniquely crisp, clear and refreshing glass.