1whole nutmegI like to use two or three nutmeg nubs - whole nutmegs I've grated down to a small size or 1 teaspoon ground
Make pumpkin spice syrup:
Combine all ingredients in a small saucepan. Bring to a simmer over low-medium heat. Simmer for 15 minutes, stirring occasionally. Do not allow to boil. Remove from heat then let it cool to room temperature.
Drain mixture through a fine-mesh sieve to remove the solids. Let cool.
Keeps, refrigerated, for one month. Shake before using.
Make pumpkin pie martini:
Pour all ingredients into a martini shaker filled with ice. Shake for about 15 seconds, then strain liquid into a martini glass. Top with whipped cream and a cinnamon stick. Serve.