01 - Preheat the oven to 425°F. Line a baking sheet with parchment paper.
02 - In a large bowl, toss the halved radishes with olive oil, minced garlic, thyme, salt, and pepper until evenly coated.
03 - Spread the radishes in a single layer on the prepared baking sheet, cut side down for best caramelization.
04 - Roast for 20–25 minutes, stirring once halfway through, until radishes are golden and tender.
05 - Remove from the oven, adjust seasoning if needed, and serve warm.