Makes 2½ cups
1 cup heavy cream
1 cup whole milk
4 large yolks
½ cup granulated sugar
½ tsp. pure vanilla extract
1. In a double boiler over medium heat, heat the cream and milk until scalding, about 4 minutes.
2. In a large bowl, whisk the egg yolks and sugar until light and pale, about 3 minutes. Whisk into the hot mixture and stir until thickened, about 30 minutes. Let cool before serving.