2 quarts eggnog, chilled
3 cups cold coffee
2 cups bourbon whiskey (optional)
2 cups chilled heavy cream
2 pints coffee ice cream
1/4 teaspoon ground nutmeg, for garnish
Whisk together eggnog, coffee, and whiskey in a punch bowl until well blended.
Whip the cream in a large mixing bowl until it forms soft peaks. Lightly fold the whipped cream into the eggnog mixture.
Float scoops of coffee ice cream in the eggnog. Sprinkle with nutmeg to serve.