Fill a highball glass with ice cubes.
Pour 60ml of gin over the ice.
Top with 150ml of chilled soda water and stir gently to combine.
Squeeze a lime wedge into the drink, then drop it in as garnish.
The quality of gin is everything here - with no sweetener or citrus juice to hide behind, a well-made London Dry or botanical gin will shine through every sip. Chill your soda water thoroughly before serving to maximise effervescence.
My Bar Shelf reads your shelf and shows you every cocktail you can make from what you already own, including Gin and Soda.