Line a 6"x6" baking pan with foil and set aside.

In a saucepan over medium/low heat combine the dark chocolate and sweetened condensed milk, stir the mixture until smooth.

Stir in the potato sticks and spread the mixture into the prepared baking pan, sprinkle on the kosher salt.

Chill for 2 hours, slice and serve.

Store leftover fudge in an airtight container in the refrigerator for up to 2 weeks.