01 - Preheat the oven to 425°F and line a large baking sheet with parchment paper.
02 - Combine all peeled and chopped root vegetables in a large mixing bowl.
03 - Drizzle olive oil over the vegetables, sprinkle with thyme, sea salt, black pepper, and add smashed garlic cloves. Toss thoroughly to coat evenly.
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 the vegetables are tender and golden.
06 - Remove from oven, discard garlic if preferred, and serve warm garnished with additional thyme if desired.