The Brandy Alexander is a rich, slightly spicy drink with notes of cinnamon and chocolate. It's almost like a more booze-forward version of the classic hot cocoa (except for the hot part).
Pour into martini glasses. Sprinkle with cinnamon and garnish with a cinnamon stick. Serve!
Notes
You can use clear crème de cacao if you can't find dark.
This holiday beverage tastes best nice and chilled. Be sure to shake the ingredients in the cocktail shaker for at least 10 seconds. You will know it's cold enough when the outside of the shaker is frosted up. Your hands will likely feel it too.
To keep it even cooler, you can chill the martini glass ahead of time and add a few ice cubes to the glass before straining the alcohol mixture into it.