1. Combine all ingredients in a cocktail shaker.
2. Shake and strain into a chilled martini glass.
3. Garnish with 3 espresso beans and a sprinkle of cinnamon.

Procedure for chai espresso

1. Steep one chai tea bag in a double shot of espresso and chill overnight. Yields 2 cocktails.

Note: I prefer to use decaf espresso in this recipe, as chai has a moderate amount of caffeine.