Place potatoes in a cool room for 30 days (optional).

Slice washed, unpeeled potatoes lengthwise into 1/4-inch-thick planks, then into 1/4-inch-thick matchsticks.

Soak fries in very hot tap water for one hour. Pat dry and set aside.

Pour oil into a large, heavy pot, filling no more than halfway. Heat over medium until oil reaches 325 degrees on a candy More »