Peel potatoes and cut into 1/4-inch matchsticks. Heat oil to 300 degrees F. "Blanch" fries for 2 minutes and let cool. Heat oil to 350 degrees F. Fry for 3 minutes, or until fries are brown and rise to the top. Sprinkle with the spice blend.
Toss all the spices together in a large bowl. Store in an airtight container.