Throw some ice rocks into a pestle.
Add a good bit of fresh mint leaves followed by some lime juice.
Add a bit of Khus syrup, after giving the Khus bottle a good shake.
Now pour the lemonade.
Then muddle the mixture well enough for the aroma of mint to blend in nicely. A bar blender should be great for this.
Strain the blend into the Martini cocktail glass directly (or into a separate pitcher).
Add a shot of gin, then stir gently.
Garnish with a few mint leaves. Or drop in a cherry, if you like.
If you’ve got it right, you’ll get the minty whiff far before you’ve even sipped the drink.