In a medium saucepan, combine the almond milk, heavy cream, nutmeg, cinnamon, and vanilla extract and bring just to a boil over medium heat.
In a separate bowl whisk together the egg yolks and stevia.
Remove the saucepan from the heat and slowly pour the contents into the egg yolk and stevia mixture.
Remove from the heat, stir in the rum (optional) pour into a jar, and leave in the refrigerator to chill.
Stir until well combine and then return entire contents into the saucepan.
Cook until the mixture reaches 165°F.
Chill mixture in the fridge.
In a medium mixing bowl, beat the egg whites to stiff peaks form.
Whisk the egg whites into the chilled eggnog.
Serving Size 1 cup
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.