How long to cook roasted carrots and parsnips depends on your oven temperature and the size you cut them, but generally, they need about 25 to 35 minutes at 425°F (220°C).
That’s the quick answer you came here for, and it’s a reliable starting point whether you’re roasting a small batch for two or a big tray for a holiday crowd.
Both carrots and parsnips are root vegetables with similar densities, so they roast beautifully together and finish at around the same time when cut to matching sizes.
In this post, we’ll walk through exactly how long to cook roasted carrots and parsnips, how to prep them, what temperature works best, and the little tricks that turn them golden and caramelized instead of soggy or burnt.
Let’s get roasting.
How Long to Cook Roasted Carrots and Parsnips at Different Temperatures
The answer to how long to cook roasted carrots and parsnips shifts depending on the heat you choose, so here’s a simple breakdown.
When you roast carrots and parsnips at 425°F (220°C), plan for 25 to 35 minutes.
If you prefer a slightly gentler 400°F (200°C), roasted carrots and parsnips will take closer to 35 to 45 minutes.
At a low-and-slow 375°F (190°C), expect 45 to 55 minutes for fully tender, deeply sweet results.
The size of your pieces matters just as much as the temperature.
1. Whole vs. Chunky vs. Batons
Whole small carrots and parsnips can take 45 to 60 minutes because the heat has to travel through the entire vegetable.
Chunky pieces, about an inch thick, usually finish in 30 to 40 minutes.
Batons or sticks around half an inch thick roast in 20 to 25 minutes, so keep an eye on them.
The trick is to cut your carrots and parsnips to the same size so they cook evenly.
If your parsnips are fatter than your carrots, quarter the thick ends so everything matches.
2. Why 425°F Is the Sweet Spot
When you’re wondering how long to cook roasted carrots and parsnips, the temperature you pick changes everything.
High heat like 425°F caramelizes the natural sugars in carrots and parsnips fast.
That’s what gives you those browned, crispy edges and a tender, sweet interior.
Lower temperatures still work, but your roasted carrots and parsnips will take longer and brown less.
So if you want that classic roasted look, stick with the higher range.
How to Prep Carrots and Parsnips for Roasting
Good prep is what makes roasted carrots and parsnips come out perfectly every time.
Here’s how to set yourself up for success.
1. Peel and Trim
Give your carrots and parsnips a good scrub, then peel them if the skins are thick or tough.
Trim the tops and the root ends.
If you’re roasting carrots and parsnips with the skins on, that’s fine too, as long as you wash them well.
2. Cut Them Evenly
Cut your carrots and parsnips into similar-sized pieces, whether that’s coins, batons, or chunks.
Even pieces mean even cooking, so nothing turns to mush while something else stays raw.
This is the single biggest factor in how long to cook roasted carrots and parsnips successfully.
3. Toss With Oil and Seasoning
Coat your carrots and parsnips in a couple of tablespoons of olive oil or another high-heat oil.
Season with salt, black pepper, and any herbs you love, like thyme or rosemary.
Spread them in a single layer on a baking sheet so they roast instead of steam.
Tips for Perfect Roasted Carrots and Parsnips
A few small moves make a big difference when you’re roasting carrots and parsnips.
1. Don’t Crowd the Pan
If your carrots and parsnips are piled on top of each other, they’ll steam and turn soft.
Use two trays if you need to.
That way, every piece gets direct heat and those lovely crispy edges.
2. Flip Halfway Through
Around the halfway mark of your roasting time, give everything a quick stir or flip.
This helps your roasted carrots and parsnips brown evenly on all sides.
3. Check for Tenderness
You’ll know your carrots and parsnips are done when a fork slides in easily.
If they’re still firm in the middle, add five more minutes and check again.
Parsnips tend to soften slightly faster than carrots, so taste-test both.
4. Add a Finishing Touch
Once your roasted carrots and parsnips come out of the oven, drizzle them with honey, maple syrup, or a squeeze of lemon.
A sprinkle of fresh parsley or a little grated parmesan never hurts either.
So, How Long to Cook Roasted Carrots and Parsnips?
How long to cook roasted carrots and parsnips comes down to about 25 to 35 minutes at 425°F for evenly cut pieces.
Lower the temperature and you’ll add time, but the sweet, caramelized flavor is worth the wait.
Cut your carrots and parsnips to matching sizes, spread them in a single layer, and flip them halfway.
Do that, and your roasted carrots and parsnips will come out tender, golden, and delicious every single time.