Preheat oven to 425°F. Trim and peel rutabaga, then cut into 4- or 5-inch sticks. Place in a large bowl and toss with olive oil.
Combine spices in a small bowl and sprinkle over rutabaga. Toss until well coated, then spread onto a baking sheet in a single layer, leaving a little space between each piece. (If needed, use two baking sheets.)
Bake for 30 minutes, turning carrots halfway through. Serve immediately.