Gin and Bitter Lemon Cocktail

Ingredients:
1 & 1/2 fluid ounces or 4.45 centilitres of Gin
1/2 a fluid ounce or 1.5 centilitres of Lemon Juice
1/2 Teaspoon of Superfine Sugar
4 fluid ounces or 12 centilitres of Tonic Water
1/2 a fluid ounce or 1.5 centilitres of Lemon Juice
1/2 Teaspoon of Superfine Sugar
4 fluid ounces or 12 centilitres of Tonic Water
Instructions:
In a shaker half-filled with ice cubes, combine the gin, lemon juice, and sugar. Shake well. Strain into a highball glass almost filled with ice cubes. Top with the tonic water.
