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Roasted Rainbow Carrots

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Roasted Rainbow Carrots are a 3 ingredient side dish recipe idea that is sure to please everyone around the table.
A smokey maple seasoning and olive oil complement the subtly sweet brightly colored carrots.

How to Prepare Rainbow Carrots

Roasted Rainbow Carrots are my obsession. I’ve been eating them for a couple years now, and every single time they barely make it from the sheet pan to the plate.

Trader Joe’s sells these ones, along with the baby version. Les Petites Carrots of Many Colors is about 5 inches long, with a tip of the green stem remaining. This helps lock in extra flavor and adds a fresh pop of color on the plate. 

les petites carrots of many colors

When choosing which bags to purchase, move it around and look for lots of different colors. Did you know carrots used to be the yellow, white, and purple colors? The story is Dutch botanists created an orange carrot for William of Orange, who is also known as King of England in 1689. Fancy, right?! Having a carrot made just for you!

baked rainbow carrots

Roasted Rainbow Carrots are a great side dish recipe idea for any holiday menu, low carb or keto side dish. These carrots are ready in about 20 minutes with only three other ingredients.

What can you serve with Roasted Rainbow Carrots?

Roasted Rainbow Carrots

Do I need to peel these carrots?

No, if you purchase them from TJs, they come washed, peeled, and ready to cook. If you buy the large rainbow carrots TJs offers, give them a good scrub using this brush, and then slice them up and roast. Often, I don’t peel my carrots – just give them a good scrub! I really love that veggie brush, since it has the little end to help remove potato eyes while you’re brushing away. 

What seasonings can I use on Rainbow Carrots?

You can use almost anything you like!

Here are a few combinations to get you started: 

  1. Salt + Pepper – finishing with flaky Maldon salt
  2. Montreal Steak Seasoning
  3. Smokehouse Maple Seasoning
  4. Fresh Thyme + Salt + Pepper

If you go the plain salt and pepper route, be sure to use kosher salt or pink salt – you’ll use less than iodized, and you won’t have the tinny flavor. Also, if you don’t have one already, go ahead and invest in a black pepper grinder. My preferred pepper grinder?? The Trader Joe’s one! ((This post really should be dedicated to TJs….)) It’s a couple of dollars in the store, and it’s refillable! Win-win!

Low Carb Roasted Carrots

This recipe for rainbow roasted carrots uses three ingredients – including the carrots themselves! 

What three ingredients will I need?

  1. Rainbow carrots, cut in half lengthwise
  2. olive oil
  3. smokehouse maple seasoning

McCormick has no idea who I am, but I love love love love love their products. I keep this “secret” spice blend on my counter that I use on everything… It’s one bottle of Montreal steak seasoning and one bottle of smokehouse maple seasoning, given a really good shimmy shimmy shake shake. Y’all! I even put this in small mason jars and gave it as gifts one year!! And people went nuts. Some people brought their empty jars back and asked for more. Sadly, I had to confess they too could make this spice blend by visiting aisle 4. I won’t tell anyone if you wanted to give them a jar of it this year. Paired with a few handwritten recipes, it makes a lovely foodie hostess gift!

Rainbow Roasted Carrots

How long do you roast carrots?

Depending on their size, and the actual temperature of your oven anywhere from 15-30 minutes. I’ve got a few “Roasting Rules” for you to follow…

Roasting Rules:

  • 425˚ – this is the magical roasting number. If you aren’t sure if your oven cooks at that actual temperature, use a thermometer to see if you need to adjust anywhere.
  • Half sheet pan. Don’t crowd the pan — give each single thing room to let their steam release, without steaming the thing next to them
  • Olive oil + salt and pepper. That’s really all you need to roast a good something something. 
  • Give it a good amount of uninterrupted time. Don’t open the oven door over and over to peek in. Set a timer for 15 minutes, and then start checking. If you pull the pan out, and things are sticking to it, put it back in for a few minutes. If roasted properly, the veggies will release on their own.

Maple Roasted Rainbow Carrots


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Maple Roasted Rainbow Carrots

Roasted Rainbow Carrots

5 from 5 reviews
  • Author: Sweetpea
  • Prep Time: 5
  • Cook Time: 20
  • Total Time: 25 minutes
  • Category: side dish
  • Method: roasting
  • Cuisine: american


Roasted Rainbow Carrots are a 3 ingredient side dish recipe idea that is sure to please everyone around the table.
A smokey maple seasoning and olive oil complement the subtly sweet brightly colored carrots.



1 pound rainbow carrots, washed and sliced lengthwise

2 tablespoons olive oil

1 tablespoon smokehouse maple seasoning


  1. Preheat oven to 425˚.
  2. Toss sliced carrots with olive oil and seasoning blend in a large bowl, coating each carrot well.
  3. Lay out on a sheet pan so all flat sides are down, and spacing out so nothing is crowded.
  4. Roast at 425˚ for 15 minutes, checking to see if extra time is needed. You may need 10 more minutes or so. If the carrots are golden brown, take them out and serve!

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  1. Fantastic side for so many of my favorite mains. Easy, healthy and delicious – perfect! And the amount of that color in one plate is out of this world – love it!

  2. 3 ingredients? ???! Sounds like a great plan to me 🙂 Wonderful side and a great use of carrots. It was ????? ?? ???? ??? how little you need to roast “a good something something”.

  3. What a wonderfully flavorful and easy side dish. I love roasted vegetables and I’m sure I will love these carrots too.

    1. Oh yeah! And the spice blend is amazing on anything! Potatoes, especially sweet potatoes!

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