1 Combine the bourbon, cinnamon syrup, pumpkin puree, vanilla, pumpkin pie spice, and Angostura bitters. Stir the ingredients using a cocktail spoon.
2 Add a large ice cube to the glass, then slowly pour the cocktail over the ice. Stir the cocktail for 30 seconds to chill it.
3 Enjoy with a garnish of orange peel or a cinnamon stick.
