01 - Preheat the oven to 425°F. Line a large baking sheet with parchment paper.
02 - Place all root vegetables in a large mixing bowl.
03 - Drizzle with olive oil, add thyme, sea salt, black pepper, and smashed garlic. Toss to evenly coat.
04 - Spread the vegetables in a single layer on the prepared baking sheet.
05 - Roast for 35 to 40 minutes, turning once halfway through, until golden and tender.
06 - Remove from oven, discard garlic if desired, and serve hot. Garnish with additional thyme if preferred.