1 cup white sugar
1/2 teaspoon vanilla extract
1/2 teaspoon ground nutmeg, divided
2 cups whipping cream
2 cups milk
3/4 cup brandy, chilled
1/3 cup spiced rum (such as Captain Morgan’s®)
Beat eggs with an electric mixer on medium speed until very frothy, 2 to 3 minutes. Gradually beat in sugar, vanilla extract, and 1/4 teaspoon nutmeg. Stir in cream, milk, brandy, and rum. Chill before serving. Sprinkle individual servings with remaining nutmeg.