1 1/2 oz of Beefeater gin (or Gin)
1/2 oz of Canadian whisky (or whiskey)
2 oz of sparkling bitter lemon soda (or Lemon Soda)
1/2 oz of Passion-fruit Syrup
Shake the gin, whisky and syrup in a shaker. Strain into an old-fashioned glass half-filled with broken ice. Add the lemon.