Preheat the oven to 400ºF and prepare two baking sheets by covering them with foil and coating the foil with non-stick spray or brushing a little oil over the surface of the foil.
Wash the potatoes well to remove any dirt or dust. Cut the potatoes into very thin, 1/4 inch matchsticks, then divide them between the two baking sheets.
Drizzle each sheet of potatoes with 1 Tbsp olive oil, then toss the fries to coat. Sprinkle the fries with garlic powder, smoked paprika, salt, and freshly ground pepper. Don't worry, they'll get tossed with the spices when they get stirred during the baking process.
Bake the fries in the fully preheated 400ºF oven, stirring gently with a spatula every 15 minutes. Bake until the fries are brown and crispy, but still slightly moist in the center. The fries will bake at different rates, depending on how thinly they are sliced, so keep a close eye. My batch took approximately 45 minutes to bake.