Preheat your oven to 425°F (220°C) and place a large baking sheet in the oven to heat up.
Scrub the potatoes clean under cold running water, then dry them thoroughly with a kitchen towel.
Cut each potato lengthwise into 1/2-inch thick planks, then cut each plank into 1/2-inch wide sticks to create uniform chip shapes.
In a large bowl, toss the potato sticks with the olive oil, kosher salt, black pepper, garlic powder, and paprika until they are evenly and lightly coated.
Carefully remove the hot baking sheet from the oven and spread the seasoned potatoes in a single, even layer, ensuring they are not crowded.
Roast for 20 minutes, then use a spatula to flip the chips over for even browning.
Continue roasting for another 15 to 20 minutes, or until the chips are deeply golden brown and crisp on the outside.