3 cups white sugar
4 cups water
1/4 cup instant coffee granules
1 (750 milliliter) bottle vodka
1 vanilla bean
In a saucepan, combine sugar, water and instant coffee. Bring to a boil, then let simmer gently for 1 hour. Remove from heat, and cool completely.
When mixture is cool, Stir in vodka. Place vanilla bean in bottle and fill with coffee/vodka mixture. Allow liqueur to set for 4 to 6 weeks after preparation.