01 - Slice potatoes into 1/4-inch thick sticks.
02 - Submerge cut potatoes in a large bowl of cold water. Soak for at least 30 minutes and up to 2 hours to remove excess starch.
03 - Drain the potatoes and dry thoroughly using clean kitchen towels.
04 - Heat oil in a deep fryer or heavy pot to 325°F (165°C).
05 - Fry the potato sticks in batches for 4–5 minutes until tender but not browned. Remove with a slotted spoon and drain on paper towels.
06 - Raise the oil temperature to 375°F (190°C).
07 - Fry potatoes again in batches for 2–3 minutes until golden and crisp. Drain on fresh paper towels.
08 - Immediately season fries with salt and optional spices. Serve hot.