If you like cocktails that are more sour, you can add a small splash of lime juice.You can decorate the glass with a lime slice.This recipe calls for sweetened cranberry juice (either with sugar or with other fruit juices). You can also use 100% cranberry juice (unsweetened), but you will need to add some simple syrup to the drink or it will be too sour. How to make simple syrup: combine equal amounts (per volume) of sugar and water. Cook until sugar is dissolved then leave to cool.For a drink that is less heavy on the vodka, you can add just 1 1/2 ounces of vodka (45ml).Calories = 1 cocktail.