If you don't have Kahlua you can substitute:
1 teaspoon coffee extract per 2 tablespoon of Kahlua needed. OR>1 teaspoon instant espresso powder per 2 tablespoon of Kahlua
Ingredients include: rum, sugar, vanilla bean, and arabica coffee.
1 cup water 1 cup brown sugar 4 teaspoons instant coffee 1 cup rum 4 teaspoon vanilla extract