01 - Preheat the oven to 425°F. Line a large baking sheet with parchment paper.
02 - Place carrots, parsnips, sweet potato, and rutabaga into a large mixing bowl.
03 - In a small bowl, whisk together olive oil, maple syrup, balsamic vinegar, thyme, salt, and black pepper.
04 - Pour the maple oil mixture over the vegetables and toss thoroughly to achieve even coating.
05 - Spread the coated vegetables in a single layer on the prepared baking sheet.
06 - Roast for 35 to 40 minutes, stirring once halfway through, until vegetables are golden brown and tender.
07 - Serve immediately, optionally garnished with extra fresh thyme.