Simple and Basic Vanilla Ice Cream

Directions

1. 1
   Beat egg yolks and sugar until blended.
2. 2
   Pour the mixture into a double boiler.
3. 3
   (Or use a heatproof bowl place over a pan of simmering water.
4. 4
   ).
5. 5
   Over low heat, pour the half and half into the pan; stir until it starts to thicken.
6. 6
   Take off heat and stir in the butter.
7. 7
   While cooling, stir the mixture occasionally until it is to room temperature.
8. 8
   Stir in the heavy cream and vanilla extract.
9. 9
   Place in a container with a lid and refrigerate at least 1 hour.
10. 10
    Transfer mixture to an ice cream maker and process according to your owner's manual.
11. 11
    Preparation time does not include chilling, freezing or churning.