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. 1 cup heavy cream, 1 cup whole milk
While the milk is heating, add the egg yolks and brown sugar to a large bowl and whisk them together for a couple of minutes until the color lightens up. 4 egg yolks, 1/2 cup brown 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 through a strainer into another large bowl.
Add in the remaining cup of heavy cream, molasses, vanilla extract, ground ginger, cinnamon, cloves, nutmeg, and salt, and stir together. 1 cup heavy cream, 1/4 cup molasses, 1 tsp vanilla extract , 1 1/2 tsp ground ginger, 3/4 tsp ground cinnamon, 1/8 tsp ground cloves, 1/8 tsp ground nutmeg, 1 dash salt
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 1-2 hours to chill.
Pour the custard mix into a prepared 2QT ice cream maker and run it for about 25 to 30 minutes, according to manufactures directions, until it is like a thick soft serve consistency.
Add the ginger snap pieces, and continue running the ice cream maker for another 5 minutes. Or sprinkle them over the ice cream when you transfer it into the 2QT container. 3/4 cup chopped ginger snap cookies
Scoop the ice cream into a 2QT container, and cover it with a lid, or plastic wrap and foil.
Place it in the freezer for at least 6 hours, or until frozen solid enough to scoop.