Take 2 medium bowls. Add the heavy cream to one of them. Add the egg yolks to the other bowl
and set them aside.
In a medium pot add the whole milk, sugar, and salt. Heat until the sugar and salt have
dissolved. About 3 minutes.
Take the warmed milk mixture and slowly whisk it into the egg yolks. (See note) Once you have mixed the whole thing together. You will pour the mixture back into the pot and heat on low for 13-15 minutes. Stir consistently. (See note)
Using a mesh strainer pour the milk egg mixture into the bowl with the heavy cream. Stir to combine. (See note)
Put the mixture in an airtight container and refrigerate for at least 2-3 hours.
Crush the graham crackers and set aside until ready to assemble.
Add the lime juice and zest to the mixture. Pour into your ice cream machine follow the machine’s directions
Time to assemble take a paper cup and full the bottom with graham crackers. Then add about 1 teaspoon of ice cream. Continue to layer until you filled the cup. Add a popsicle stick.
Freeze for about 3 hours before enjoying!