1. 1. Heat oven to 450ºF.
2. 2. Cut carrots and parsnips into 3-in. sticks. Divide vegetables between 2 rimmed baking sheets.
3. 3. Toss each pan of vegetables with 1 Tbsp oil, 3⁄4 tsp ground cumin, 1⁄2 tsp salt and 1⁄4 tsp pepper. Spread evenly in pan.
4. 4. Roast, tossing once, until vegetables are tender and browned, about 30 minutes.
5. Get Ahead Refrigerate the roasted vegetables for up to 2 days. Reheat in a 375ºF oven until heated through, 25 to 30 minutes.