Dad's Eggnog

Directions

1. 1
   Combine the half-and-half, whole milk, allspice and sugar in a large saucepan and heat until steaming.
2. 2
   Whisk the egg yolks in a small bowl and ladle some of the hot mixture into the bowl while whisking constantly.
3. 3
   Then whisk the tempered egg mixture back into the remaining hot liquid.
4. 4
   Stir until mixture coats the back of a wooden spoon, then place immediately into an ice water bath.
5. 5
   Once it has cooled down to room temperature, add liquors and chill.
6. 6
   Serve very cold.