Classic Cosmopolitan Cocktail

Directions

1. Pre-chill martini cocktail glass by placing in the freezer.
2. Put the vodka, cranberry juice, Cointreau and lime juice into a cocktail shaker and add a handful of ice.
3. Shake the mixture vigorously for 20 seconds and then stain into the prepared glass.
4. Garnish the cocktail with the lime slice and serve.