In a 2-cup measure cup add water and salt. Stir until the salt is dissolved. Set aside.
Wash and slice a potato. Place in the heat-safe container the potato will cook in the next day.
Pour in enough salt water to cover the potato. Cover the dish. Refrigerate overnight.
Next morning, Place dish in the HOTLOGIC®. (Cover on dish is optional.) Plug in the HOTLOGIC® and zip shut. Cook for 8 hours.
Remove potato slices from water. Add butter or other preferred topping and enjoy.