Warsaw Martini Cocktail

Ingredients:
2 fluid ounces or 6 centilitres of Vodka (With a potato base)
1/2 a fluid ounce or 1.5 centilitres of Dry Vermouth
1/2 a fluid ounce or 1.5 centilitres of Blackberry Brandy
1/2 a fluid ounce or 1.5 centilitres of Dry Vermouth
1/2 a fluid ounce or 1.5 centilitres of Blackberry Brandy
Instructions:
Shake with cracked ice and strain into a chilled cocktail glass.
