To make the vanilla honey syrup. In a medium pot, bring 1/4 cup water, the honey, and vanilla to a boil over high heat. Boil 2-3 minutes, then remove from the heat. Let cool. This syrup makes enough for about 6 drinks.If desired, rim your glass with vanilla sugar. In a cocktail shaker, combine 2-3 teaspoons honey syrup, vodka, Kahlua, and espresso. Add ice and shake vigorously for 1 minute. Strain into the prepared glass. Garnish with a couple of coffee beans, if desired.