3 tbsp fresh lemon juice (1 whole lemon)
soda water, to top up with**
Start preparing your cocktail by adding a few cubes of ice to the glass. In a cocktail shaker, combine the vodka, triple sec, lemon juice, simple syrup and a few cubes of ice. Shake everything for 30 seconds, or until the cocktail shaker gets very cold! Strain the liquid into the cocktail glass and top up with soda water. Serve immediately!