Add carrots, cauliflower, potatoes, onion, and garlic to a large roasting tray.
Drizzle with olive oil, sprinkle with salt and pepper, and toss well to coat evenly.
Spread vegetables out in a single layer.
Roast for 40–45 minutes, turning once halfway, until golden and tender.
Remove from the oven and immediately add lemon zest and lemon juice.
Toss gently and finish with fresh herbs if using. Serve warm.
Notes
FAQs
Can I prep this ahead? Yes — chop vegetables up to 24 hours ahead and refrigerate.Can I use other vegetables? Absolutely. This method works with almost any root or cruciferous vegetable.