Rainbow Potato Roast Recipe (2024)

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Cooking Notes

Anne H

I chopped up the garlic after rubbing it in the pan and added 2 tablespoons of whole grain mustard to the olive oil instead of using sage. Roasted as instructed. Delicious!

Jane

Easy and always a favorite. I particularly like the addition of a peeled sweet potato. I have also added sliced onions to the mixture. Parchment in the pan makes clean-up easy.

Ellen Fuss

This was simple. beautiful and delicious. Seek out the best potatoes and use a variety for the best taste and presentation. A perfect addition to the holiday table. Agree that they are best just out of the oven but reheating does actually work.

Jim Dryfoos

Cooking this on parchment as suggested was great. Didn't stick and cleanup was easy.

Gordon

I use a slightly different technique for coating the potatoes that gives a nice crispy surface with soft center after baking.I heat a couple of tablespoons of garlic-infused olive oil and toss a pat of ghee (clarified butter) in with it. The warm oil mixture is poured over the cut potatoes and mixed.If I have fresh sage, that would be great but if not, dried Herbes de Provence works well, or anything similar.I use parchment paper in the baking dish and do not add olive oil at the end.

Tim King

This is a great and dependable recipe: easy and basic but one I've returned to several times and never with regret. Perfect every time and a real nice presentation as well. I use the parchment paper on a rimmed baking pan and it works very well. The parmesan adds a nice touch; you can easily substitute Asiago or Gruyere if you have either around.

Theresa SF Bay Area

Works in a 450 oven as well (shorter time, so watch them), which I needed for Mark Bittman's chicken and fennel recipe. Easy and delicious.

JW

Simply delicious. these potatoes cooked faster than I expected, but then again, I did not use a ruler when cutting the potatoes and quite likely my pieces were smaller than one inch. Instead of sage I used fresh thyme, and plenty of pepper. I lightly sprinkled parmesan on towards the end and it was ready to eat in another 7 minutes. The closest thing I have had to these potatoes are some I cooked while camping years ago. You just keep eating them even though you know you're already full.

Keith

Used yukon gold and red russet potatoes. Did not peel. Peel added crisp to the finished potatoes. Used thyme instead of sage. Really good. Although I will try sage next time, my guess is that thyme is better. For the last 10 minutes increased oven temp 25 degrees. Gave a nice crispness but not over cooked. Served with Roasted Haddock with Lemons, Olives and Rosemary. Also would be good with steak.

Margy Trumbull

I had only a couple small sweet potatos and a3 medium russets so I added a large yellow onion to the mix. It was delicious. no sage or garlic but I would add sliced garlic the next time.

MaryY

I use herbs de provence (a lot of it) along with the garlic, pepper and kosher salt--and sometimes use the frozen garlic cubes, which thaw quickly, and mix everything in a bowl. I always line a sheet pan or two with parchment and bake between 400 - 450 depending on what else may be in the oven. Don't crowd the pan (that's why there may be two) Usually, I will turn on the convection feature midway through.

Cream Cheese

These were lovely, super easy. Added two garlic cloves to the roasting pan. Forgot to add the extra oil and Parmesan.

Jillian H

Tasty! I had some extra potatoes & made these alongside some carrots and couscous. Simple recipe to add to anything!

cvb

Made on 12/25/22. Set oven at 415 convection (for salmon). Seemed fine.

Betsy

Easy, colorful and delicious! Used garlic olive oil in place of the garlic cloves for an even easier prep.

ea

Dried sage and fresh parsley at end.

Craig Burdick

I knew better and still went along with the recipe. Sweet potatoes should not have been added to the others. Leave them out and you will be rewarded with roasted potatoes that are nicely browned and crusty.

zan

Best potatoes ever.

suzi

Use whole grain mustard and EVOO and salt and pepper and smashed garlic cloves.

John

This was an excellent recipe! The variety of taste in the potatoes was wonderful indeed. Thanks to a previous comment, I used 1 Tbsp. of melted butter and 2 Tbsp. of garlic-infused olive oil with 2 tsp. of Herbes de Provence added to toss with the potatoes. Used parchment paper for easy cleanup. Thanks Ms. Shulman & helpful commenters!

stacey

I've made a variation on this for our holiday table for years - I use a generous amount of rosemary instead of sage and add slices of red onion and red and green pepper. It never fails to please a crowd!

Mike Pat

Ammazing. Cooked with rosemary wrapped on it. I took it out at 118, next time I will take it out at 115.

Marcia

I’m not usually a fan of potatoes but these are delicious, tender and crispy. I did not add the olive oil at the end and substituted truffle salt for the regular salt.

Dana B

I doubled the garlic and added red pepper flakes for a kick.

Mary Ann

Super easy and delicious. I used a variety of colorful potatoes but didn't have sweet potatoes. Next time I'll include those. I liked the addition of the parmesan and sage. Yum.

Dhw

Delicious but I could not perceive the sage—and I used more than the recipe suggested, plus had just picked it so it was extremely fresh. Any suggestions?

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Rainbow Potato Roast Recipe (2024)

FAQs

Why put potatoes in cold water before roasting? ›

Soaking potatoes in water helps remove excess starch. Excess starch can inhibit the potatoes from cooking evenly as well as creating a gummy or sticky texture on the outside of your potatoes. Cold water is used because hot water would react with the starch activating it, making it harder to separate from the potatoes.

Why can't i get my roast potatoes crispy? ›

Preheat the fat. While the potatoes parboil, add the oil or butter to the roasting pan, transfer it to the warm oven, and heat it for about 5 minutes before adding the potatoes. This allows the outside of the potatoes to crisp up nicely and not just absorb the cold fat when you put them in the oven.

Why are my roast potatoes taking so long? ›

If you're cooking the potatoes after they've been in the fridge, the cooking time may be a little longer than normal as the potatoes will be cold. If you are cooking a whole roast dinner and are in and out of the oven you may find your roasties take a little longer.

How many roast potatoes per person? ›

It's roast potatoes. 200g per person is perfect, and if there are any leftovers you can chuck 'em in a bubble and squeak, hash, or just grab a cold roastie right out of the fridge.

Is it necessary to boil potatoes before roasting? ›

Do I have to boil potatoes before roasting? Not necessary but this can help get the perfect consistency and crispiness. Make sure you boil them but leave them a bit al dente and they will crisp up perfectly in the oven.

How long can you leave potatoes in water before roasting? ›

The larger the potato pieces, the longer they'll last in water. If you're prepping with smaller pieces, don't soak for more than 12 hours. This trick is handy, but it'll only work for about 24 hours — so don't prep too far in advance.

What is the best oil for roast potatoes? ›

Vegetable oil is the ideal choice for those who like a subtle, or blander flavour from their roast potatoes, because it cooks best at a medium heat and so the potatoes won't take on too much flavour from the oil. This also means the potatoes won't overpower other dishes.

What does cornstarch do to potatoes? ›

When the corn starch comes into contact with the hot oil, it forms a barrier that traps moisture within the potato while also developing a crunchy crust. This results in fries that are both tender on the inside and crispy on the outside, mimicking the texture of fries you might find in restaurants.

Which are the best potatoes for roasting? ›

Russet potatoes will produce crisper crusts and fluffier centers. Yukon Golds will be slightly less crisp and have creamier centers, with a darker color and deeper flavor. You can also use a mix of the two. The potatoes should be cut into very large chunks, at least 2 to 3 inches or so.

Why put flour on roast potatoes? ›

Sprinkle your parboiled potatoes with flour. This gives potatoes extra crunch. A tablespoon is all you need! Throw in some whole, unpeeled garlic cloves or a handful of herbs (thyme, sage or rosemary all work well) with the potatoes when adding them to the hot roasting tin.

Can you put too much oil in roast potatoes? ›

Roasted potatoes can become soggy if the water content in the potato isn't fully cooked. Different potatoes have different water content percentages. Also, be mindful of the oil. Potatoes can react like sponges; too much oil can make your potatoes appear to be soggy.

Why are my potatoes still hard after an hour in the oven? ›

Size and Cut: The size and cut of the potato pieces can also affect their cooking time. Smaller pieces will cook faster and become softer than larger ones. If the potato cubes were too large or unevenly cut, this might result in some pieces remaining crunchy.

How many potatoes do I need for 10 guests? ›

The ultimate potato weight table for feeding a crowd
Number of peopleTotal potato weightNumber of medium-size potatoes needed
10.5 lb.1
42 lbs.4
63 lbs.6
105 lbs.10
Jul 14, 2021

How many potatoes is enough for 3 people? ›

For a big spread with lots of side dishes, you'll want to have about four ounces (125 grams) of potato (that's precooked weight) per person. If you're serving fewer sides, you can up it to about eight ounces (250 grams) per person.

How many potatoes is 5 pounds? ›

A standard 5-pound bag of potatoes can contain anywhere from 10 to 15 medium-sized potatoes, while a smaller 2-pound bag might contain 5 to 7 potatoes.

What was the purpose of soaking the potatoes in cold water? ›

The reason is to prevent the potatoes exposure to air, which causes dehydration, oxidation, and discoloration. Immersing cut potatoes will also help rinse off excess starch.

Does putting potatoes in cold water make them crispy? ›

Fill a large bowl with cold water and stir in 2 tablespoons of salt. Place the sliced potatoes in the salt water and let them soak for 15 to 30 minutes. This will help them bake up crispier. When the potatoes are done soaking, drain them, and dry very well with a towel.

What does keeping potatoes in cold water do? ›

"Placing [peeled and cut] potatoes in water helps prevent oxidation, which turns their exposed flesh brown," says Ronna Welsh, the author of The Nimble Cook and the owner and chef instructor at Purple Kale Kitchenworks in Brooklyn, N.Y. While oxidation won't make the potatoes unsafe to eat, it does change their flavor.

How long to put potatoes in cold water? ›

2. Give them a cold water bath: Once your potatoes are chopped, toss them into a large bowl. Then cover the potatoes completely with cold water and let them soak for at least 30 minutes (or up to overnight). This will help to rinse off the excess starch and help the potatoes crisp up beautifully in the oven.

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