Preheat oven to 220°C/430°F (200°C fan).
Cut the carrots on the diagonal into 5cm / 2" lengths. Cut the thicker ones in half lengthwise so they are all roughly the same width.
Place on a tray, drizzle with oil, sprinkle with salt and pepper, toss.
Roast for 20 minutes: Spread out on tray, roast 20 minutes.
Flip & garlic: Remove from oven. Push carrots to one end, add garlic and toss.
Roast for a further 10 minutes. Remove from oven, toss carrots to coat in the garlicky oil and juices on the tray.
Sprinkle with parsley and serve!
