Preheat the oven to 400 degrees F.
Put the potatoes in a large bowl, drizzle with the olive oil and sprinkle with the taco seasoning. Toss to coat thoroughly.
Pour out onto 2 baking sheets and roast until sizzly and somewhat crisp, shaking the pans as you go, 35 to 40 minutes.
Recipe courtesy of Ree Drummond