Preheat oven to 425 degrees F.
Trim off radish greens; reserve for another use.
Wash radishes, pat dry, and transfer to a large bowl with olive oil and thyme. Toss to combine; season with salt and pepper.
Place prepared radishes into a shallow baking dish and cook, turning occasionally, until golden brown and a small knife slides easily into radishes, approximately 40 to 50 minutes.
Makes 2 to 4 servings.
Roasted Radishes - How To Roast Radishes: https://whatscookingamerica.net/vegetables/roastedradishes.htm