The flavors in this are perfectly balanced though if you want to pull it back a notch I’d cut back on the Rye Whiskey. The recipe notes to make it the day beforehand. I did so and have stored the ‘nog’ in a sealed Mason jar in the fridge, taking oh-so-slight sips when the mood strikes. I’m sure with the amount of alcohol you will be safe to store it sealed and chilled for a week or so.