01 - Preheat the oven to 425°F and line a large baking sheet with parchment paper.
02 - Combine carrots, parsnips, sweet potato, and rutabaga in a large bowl.
03 - Whisk together olive oil, maple syrup, balsamic vinegar, thyme, salt, and black pepper in a small bowl.
04 - Pour the glaze over the vegetables and toss until evenly coated.
05 - Spread vegetables in a single layer on the prepared baking sheet.
06 - Roast for 35 to 40 minutes, stirring once halfway, until golden and tender.
07 - Serve hot, garnished with additional thyme if preferred.