Eggnog Jarecky

Directions

1. 1
   In a 4- to 5-quart heavy saucepan with an electric mixer beat together half-and-half, cream, sugar, and yolks until combined well.
2. 2
   Cook mixture over moderate heat, continuing to beat, until slightly thickened and a thermometer registers 170F, about 7 to 10 minutes, and remove pan from heat.
3. 3
   Continue to beat mixture until slightly cooled and stir in vanilla and nutmeg.
4. 4
   Transfer eggnog to a bowl and chill, covered, at least 8 hours and up to 2 days.
5. 5
   Just before serving, thin eggnog with milk to desired consistency.
6. 6
   Serve eggnog with rum or brandy on the side for guests to add to taste.