Freeze the bowl of your ice cream maker for at least 12 hours, until frozen solid according to manufactures instructions.
Add 1 cup of the cream, and the milk to a medium sauce pan, and heat it over medium until the edges start to bubble. 2 cups heavy cream , 1 cup whole milk, 1/4 tsp salt
While the milk is heating, add the egg yolks and sugar to a large bowl and whisk them together for a couple of minutes until the color lightens up. 5 egg yolks, 3/4 cup granulated sugar
Remove the milk from the heat, and slowly pour 1/2 cup of the warm mixture into the egg yolks, whisking them together as you pour.
Then add another 1/2 cup of the milk mixture into the eggs and whisk it together.
Pour the mixture back into the sauce pan and let it continue to cook over medium heat, for a couple of minutes, until the mixture starts to thicken enough to coat the back of a metal spoon.
Pour the custard mixture over the white chocolate in a large bowl. Let it sit for 1 minute, then stir it together until the white chocolate is melted. 6 oz white chocolate
Pour the mixture through a strainer into a clean bowl. Add in the remaining 1 cup heavy cream, and the vanilla extract 2 cups heavy cream , 1 tsp vanilla extract
Add ice to another large bowl, and place the custard mix bowl over the ice bath. Let it sit to cool down slightly for about 15-20 minutes, while you stir it occasionally.
Cover the custard mix bowl with a lid, or plastic wrap and place it in the fridge for at least 2 hours to chill.