Preparation:

Step 1: Start by preparing your martini glass for the ultimate festive touch. On a small plate, mix the granulated sugar and ground cinnamon until evenly combined. Use honey or light corn syrup to lightly coat the rim of your glass. Once the rim is coated, dip it into the cinnamon-sugar mixture, ensuring an even layer sticks to the glass. This adds both visual appeal and a touch of sweetness to your drink.

Step 2: Next, take a cocktail shaker and fill it halfway with ice cubes. This is a crucial step to chill the drink properly and ensure it’s served ice-cold, as a martini should be. Add the eggnog, vodka, and amaretto (or white rum) to the shaker. The choice between amaretto and rum depends on your preferred flavor profile—amaretto adds a nutty sweetness, while white rum provides a subtle warmth.

Step 3: Secure the lid on the cocktail shaker and shake vigorously for about 15-20 seconds. This action thoroughly blends the ingredients while chilling them to perfection. The shaking process also aerates the cocktail, giving it a light and creamy texture.

Step 4: Once the mixture is well-shaken, strain it into your prepared martini glass. Use a fine mesh strainer or the built-in strainer of your cocktail shaker to ensure a smooth drink without any ice shards or lumps.

Step 5: For the final touch, sprinkle a pinch of ground nutmeg and cinnamon on top of the drink. These spices not only enhance the flavor but also add a warm and inviting aroma. If you want to get creative, you can garnish with a cinnamon stick, a star anise pod, or even a mini candy cane.