1.5 fl. oz. of Scotch Whisky
1.0 fl. oz. of Triple Sec or Cointreau
1.0 fl. oz. of Lime Juice
Soda Water
Ice
Suggested Garnish
Mixing Procedure
Combine all ingredients (except Soda Water) in a cocktail shaker with the ice, shake, strain into a tumbler filled with ice, top with Soda Water, stir.