Fill a tall glass with ice. Pour in 50ml Penderyn whisky, 25ml lemon juice and 10 ml sugar syrup. Stir well to combine and top up with soda water. Garnish with a slice of lemon and serve.
Fill a tall glass with ice. Pour in 50ml Penderyn whisky, 25ml lemon juice and 10 ml sugar syrup. Stir well to combine and top up with soda water. Garnish with a slice of lemon and serve.