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Roasting carrots and potatoes takes about 25 to 35 minutes in a 425°F oven, depending on how you cut them.
If you’ve ever wondered how long it takes to roast carrots and potatoes together, the answer is pretty simple once you know a few key details.
Both veggies roast beautifully side by side, but they don’t always cook at the same speed, so a little strategy goes a long way.
In this post, we’ll walk through exactly how long to roast carrots and potatoes, how to prep them, and how to get them perfectly tender and caramelized every single time.
Let’s dive in.
How Long to Roast Carrots and Potatoes Together
When you roast carrots and potatoes together, the total time usually lands between 25 and 35 minutes at 425°F.
That said, the exact timing depends on a few things, like how big your chunks are and whether you’re using baby carrots or full-sized ones.
Here’s what generally determines how long it takes to roast carrots and potatoes:
1. The Size of Your Cuts
The single biggest factor in how long to roast carrots and potatoes is how you cut them.
If you chop both into roughly one-inch cubes, they’ll roast in about 25 to 30 minutes.
Larger chunks, say an inch and a half, can take 35 to 40 minutes.
The trick is to cut them to a similar size so they finish roasting at the same time.
2. The Oven Temperature
Most recipes call for roasting carrots and potatoes at 425°F.
That high heat gives you crispy edges and fluffy insides in about half an hour.
If you drop the temperature to 400°F, expect to add five to ten minutes to the total roast time.
Lower heat means slower caramelization, but it also gives you a little more wiggle room if you’re juggling other dishes.
3. Potato Variety Matters
Not all potatoes roast the same way, and that affects how long to roast carrots and potatoes together.
Russets and Yukon Golds tend to soften faster, sometimes in as little as 25 minutes.
Red potatoes and fingerlings hold their shape a bit longer and may need closer to 35 minutes.
So if you’re mixing varieties, keep an eye on the smaller pieces first.
How to Prep Carrots and Potatoes for Roasting
Good prep is half the battle when you’re figuring out how long to roast carrots and potatoes.
Here’s how to set yourself up for success:
1. Cut Them Evenly
Aim for uniform pieces so everything cooks at the same rate.
If your carrots are thicker than your potatoes, halve the carrots lengthwise first.
This simple step keeps you from pulling out raw carrots while your potatoes turn to mush.
2. Pat Everything Dry
Moisture is the enemy of crispy roasted veggies.
Dry your carrots and potatoes thoroughly with a clean towel before tossing them in oil.
Dry surfaces brown faster, which shaves a few minutes off your total roasting time.
3. Toss in Oil and Season
Coat your veggies in two to three tablespoons of olive oil or avocado oil.
Add salt, pepper, garlic powder, and rosemary or thyme for a classic flavor.
Spread them in a single layer on a sheet pan so they roast instead of steam.
4. Give Them Space
Crowding the pan is the fastest way to ruin roasted carrots and potatoes.
If the pieces are touching, they’ll steam and turn soggy instead of crispy.
Use two pans if you have to, and rotate them halfway through for even browning.
Tips for Perfectly Roasted Carrots and Potatoes
Once you know how long to roast carrots and potatoes, a few extra tips make the results even better.
Start by preheating your oven fully, since a hot oven gives you that golden crust right away.
Flip the veggies with a spatula at the halfway mark so every side gets some love.
If your carrots are cooking faster than your potatoes, pull them out early and let the potatoes finish.
And if you want extra crispiness, broil everything for the last two minutes.
Just don’t walk away, because broilers go from perfect to burnt in seconds.
So, How Long Does It Take to Roast Carrots and Potatoes?
Roasting carrots and potatoes takes about 25 to 35 minutes at 425°F, depending on your cuts and potato variety.
Knowing how long to roast carrots and potatoes comes down to keeping your pieces uniform, giving them space, and checking for tenderness around the 25-minute mark.
Once you nail the timing, this simple side dish becomes a weeknight staple you can throw together without a second thought.
So preheat that oven, grab your sheet pan, and let those carrots and potatoes roast into golden, crispy perfection.