Crispy Roast Potatoes | Easy - Recipe Winners (2024)

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Crispy Roast Potatoes | Easy - Recipe Winners (1)

Who doesn’t like Crispy Roast Potatoes, golden brown chunks of potato, coated with garlic-infused oil and roasted till they’re crisp, and crunchy on the outside, and soft and fluffy on the inside?

They’re roasted in a garlic-infused extra virgin olive oil, then when golden they’re tossed in the fried garlic that infused the oil, and dusted with salt flakes and fresh pepper. Add a smidge of finely chopped parsley, and you’ve got the best Crispy Roast Potatoes. We seriously mean the best!

These Are The Ultimate Crispy Roast Potatoes

Now we know that’s a big claim but just hang on a minute and we’ll tell you why!

We discovered the secret for making Crispy Roast Potatoes from J. Kenji Lopez-Alt who goes into great detail as to why this method works by adding bi-carb soda (baking soda) into the cooking water.

At a Glance This Is What You Need To Make Crispy Roast Potatoes

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Pantry

olive oil
salt
freshly milled black pepper
bi-carb / baking soda

Shopping List

potatoes
parsley or rosemary or thyme
garlic

Why This Works (In A Nutshell)

Parboiling the potatoes with salt and bicarb soda (baking soda) which is alkaline, breaks down the potato surfaces, creating tons of starchy slurry for added surface area and crunch.

When the potatoes are just cooked you drain them and then give them a good toss to make all of the edges fluffy. Fluffy equals crunch!

The Trick Of How To Make Roast Potatoes Crispy – With Easy Steps

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  1. Bring a large pot of water to the boil
  2. While the water comes to the boil peel and cut the potatoes into roughly the same sized pieces
  3. When the water comes to a rolling boil add the salt, bi-carb and the potatoes
  4. While the potatoes cook add the oil to a frying pan and using a medium heat fry the garlic until it is a light golden colour
  5. Strain the garlic and reserve both the garlic and oil
  6. Finely chop any herbs that you are using and reserve

What Is The Best Potato For Roast Potatoes

Potatoes are categorised into 3 basic types starchy, waxy, and all-purpose. For this recipe, Kenji uses Russet (also known as Idaho potatoes), or Yukon gold. Both of these potato varieties are considered starchy.

Other suitable varieties to use:

  • King Edward – the best common variety for roasting
  • Desiree – ranks with King Edward as one of the best roasting potatoes
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  1. Using a knife, test that the potatoes are cooked, the potato should offer little resistance as the potato should be soft but still holding together
  2. Strain the potatoes and leave for a minute to steam dry
  3. Place the potatoes into a large bowl and season with the black pepper, a good pinch of salt and then pour over the reserved garlic infused oil
  4. Toss the potatoes in the bowl until the potatoes are roughed up as shown
  5. Using a flat tray or low sided pan spread the potatoes out so they are not crowded.
  6. Bake in a preheated oven for approximately 45 minutes, turn the potatoes frequently during this time

Hot Tip – Boiling Potatoes

Ordinarily, you would start to cook your potatoes in cold water which ensures the potatoes exterior doesn’t cook before the inside cooks.

However, we actually want the outside of the potatoes to cook and soften before the inside cooks fully to give us the fluffy, and craggy exterior once the potatoes are drained then shaken. So we add the potatoes once the water is boiling.

Boiling and Shaking The Potatoes

These are the key steps to achieving potatoes that are crunchy with a soft tender centre. The potatoes are boiled till they’re just tender. Once you’ve drained them allow the steam to evaporate off for 30-60 seconds.

Now comes the bit that makes them so crunchy. What you’re wanting to achieve here is to shake the potatoes until there is a thin slurry of what will look like mashed potatoes covering each piece. This potato slurry is what makes the exterior crisp and crunchy.

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Infusing The Oil To Roast Potatoes

Infusing the chopped garlic into the olive oil allows the oil to take on the garlic flavour without the garlic burning.

Tossing the potatoes with the golden brown garlic and parsley builds up the flavour and allows the garlic and parsley to cling to the hot cooked potatoes.

Roast Potatoes In Duck Fat

Instead of using oil, you could switch it up by making the Crispy Roast Potatoes using duck, or goose fat for a truly memorable potato. Once only found in high-end deli’s and gourmet stores at a ridiculous price. Both of these fats are now widely available in supermarkets and are very affordable. Go ahead and give it a try, you won’t be sorry.

You can reuse the fat by simply straining and removing any bits of potato and refrigerate in a glass jar ready to use. The fat lasts for months, and months if kept refrigerated. Duck or goose fat also freezes well.

Watch How To Make Crispy Roast Potatoes

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Use A Low Sided Baking Sheet

The potatoes need to be baked on a baking sheet, not a deep sided baking tin otherwise the high sides will create steam which makes the potatoes soggy. Got It!

Can I Par Boil Potatoes For Roasting The Day Before ?

Yes, you can. Potatoes can be prepared 2 days ahead.

Prep the potatoes and cook up to the stage of boiling then draining and shaking the potatoes to rough them up and toss them in the oil (up to step 11). Refrigerate covered preferably on a tray in a single layer. When you’re ready to bake them remove the tray from the fridge and bake away.

Check Out Some More Winning Potato Recipes:

Crispy Hasselback potatoes

Crispy Smashed Roast New Potatoes

Candied Sweet Potatoes

Orange Glazed Sweet Potato Slices

Pommes Anna

Whipped Creamy Mashed Potatoes

Don’t forget to rate this recipe and let us know what you thought when you make these fabulous Crispy Roast Potatoes in the reviews below.

Crispy Roast Potatoes | Easy - Recipe Winners (16)

Yield: 8 - 10 serves

Crispy Roast Potatoes | Easy

Prep Time: 20 minutes

Cook Time: 1 hour

Total Time: 1 hour 20 minutes

Crispy roast potatoes are the ultimate crispy roast potato, crunchy on the outside and fluffy on the inside.

Recipe adapted from J. Kenji Lopez-Alt at Serious Eats

Originally published Dec 2019

Ingredients

  • 2 1/2 tablespoon salt- see note 4 below
  • 1 teaspoon bi-carb soda (baking soda)
  • 2 kilo potatoes suitable for roasting cut into large uniform chunks (4 pounds)
  • 5 tablespoons extra virgin olive oil or duck, or goose fat
  • 4 fat cloves of garlic, finely minced
  • salt flakes and ground black pepper
  • 2 tablespoons finely chopped parsley, rosemary, thyme etc

Instructions

  1. preheat oven to 230c (450f) bake or if using a fan-forced oven 200c (400f)
  2. add 4 litres / 8.5 pints of water to a large pot and bring to a boil
  3. peel potatoes and cut into even sized pieces
  4. when the water comes to a rolling boil add salt and bicarb soda (baking soda) and potatoes
  5. whilst potatoes cook heat oil and garlic in a small pan, cooking 2-3 minutes or until garlic just changes colour and immediately strain the oil into a bowl and reserve both the oil and the garlic - see note 1 below
  6. finely chop the herbs and put aside
  7. test the potatoes with a knife or skewer (potatoes should offer a little resistance as the potato should be soft, but still holding together)
  8. strain potatoes and allow to steam for a minute
  9. place potatoes into the bowl with the reserved garlic oil and season with pepper and a good pinch of salt
  10. toss the potatoes in the bowl until the potatoes are roughed up as shown in image 11
  11. using a flat tray, or low sided pan spread potatoes evenly so they are not crowded
  12. bake in a preheated oven for approximately 45 minutes, turning the potatoes frequently during this time - see note 2 below
  13. when potatoes are golden and crisp tip potatoes into a bowl and toss with reserved garlic along with the herbs, salt, and pepper
  14. serve and enjoy!

Notes

  1. Cook the garlic in the oil using a medium heat as the garlic will easily burn before it's cooked at higher temperatures, strain immediately the garlic is a light golden colour
  2. Cook the potatoes for 10 - 15 minutes before turning for the first time, this allows the potatoes to form a crust and release from the tray without sticking.
  3. If cooking a smaller quantity of potatoes try to keep the same ratio of bi-carb and salt to the water eg: 2 litres / 4 pints water 1/2 teaspoon of bi-carb and 1 1/4 tablespoons of salt.
  4. It sounds like a lot of salt but remember that most of it will be strained away,

Nutrition Information

Yield

10

Serving Size

1

Amount Per Serving Calories 323Total Fat 13gSaturated Fat 3gTrans Fat 0gUnsaturated Fat 9gCholesterol 20mgSodium 97750mgCarbohydrates 43gFiber 5gSugar 2gProtein 10g

Nutritional information provided here is only intended as a guide.

Cooper at 14 weeks

We came across these photos recently and had to think about where they were taken, then we realised it was here at home. It has been so long since we have had any meaningful rain, the lawns are dead, and the shrubs and gardens are either dead, or dying!

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  • Crispy Roast Potatoes | Easy - Recipe Winners (18)

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Crispy Roast Potatoes | Easy - Recipe Winners (2024)

FAQs

How do I keep my roast potatoes crispy? ›

If you want to make this roast potatoes day before recipe and keep the potatoes crispy, ensure you put them in hot oil before baking them. This will help the potatoes stay crispy. If you're preparing roast potatoes in advance and find they have gone soggy in the fridge.

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

Parboiling the potatoes is a good start, but if they're not getting crispy during roasting your temperature isn't high enough or there's too much moisture.

What is the best oil to use 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.

Why won't my potatoes get crispy in oil? ›

A: This sure sounds a lot like potatoes that have been stored too long, in too cold of an environment before cooking. When potatoes are held below 41°F for too long a period, the starches convert to sugar and it changes the cooking chemistry.

What makes potatoes crunchy? ›

Parboiling the potatoes in alkaline water breaks down their surfaces, creating tons of starchy slurry for added surface area and crunch. Offering you the choice of oil, duck fat, goose fat, or beef fat means you can get whichever flavor you want.

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.

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.

Can you use too much oil for roast potatoes? ›

Also, be mindful of the oil. Potatoes can react like sponges; too much oil can make your potatoes appear to be soggy. Try placing oil in a spray bottle or using an aerosol to apply the oil to the potatoes. Lastly, ensure that the potatoes are dry before you add the oil.

Is it better 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.

What can I use instead of goose fat for roast potatoes? ›

If you can't use goose fat but can use other animal fats then duck fat, beef fat (dripping) or lard could be alternatives. If you prefer a plant-based option then we would suggest using sunflower or a similar unflavoured vegetable oil that has a high smoke point.

Is it better to roast potatoes in olive oil or vegetable oil? ›

Regular olive oil, due to its higher smoke point, is better suited for roasting at high temperatures.

Should you coat potatoes in oil before baking? ›

A: Adding oil to potatoes before baking is perfectly fine, just a personal preference. Without oil the Idaho russet skin bakes up crispy, with oil the skin will carry a lot of the flavor of the oil so some people have a preference for using olive oil or peanut oil.

Why does soaking potatoes in water make them crispy? ›

Soaking the sliced potatoes in water helps to draw out some of the starch from the middle of the potato, resulting in a sturdier, crispier French fry.

Why does soaking potatoes make them crispier? ›

These tips are completely doable, actually pretty much fail-proof. SOAK your potato chunks in cold water. This removes some of the starch and helps get them super duper crispy.

Why does removing starch make potatoes crispier? ›

The starches inside the potatoes dont help crisp. They convert to sugar and promote browning. If you leave the starch in them, they will turn very dark brown before they crisp up. To get them crispy you have to leach out as much starch as you can, and double fry them.

How do you keep roast potatoes from getting soft? ›

To keep roast potatoes crispy after cooking, consider a few tips:
  1. **Parboiling:** Before roasting, parboil the potatoes. ...
  2. **Dry Thoroughly:** After boiling, make sure to let the potatoes dry thoroughly. ...
  3. **Roughing Up the Surface:** Give the parboiled potatoes a gentle shake or toss to roughen up the surface.
May 23, 2022

How do you keep roast potatoes from getting mushy? ›

Try placing oil in a spray bottle or using an aerosol to apply the oil to the potatoes. Lastly, ensure that the potatoes are dry before you add the oil. Excess moisture will increase the cooking time of potatoes and may result in soggy spuds.

Why are my roasted potatoes not getting soft? ›

Parboil the Potatoes First

Parboiling helps soften the potato insides before the roasting begins, so you won't be tempted to burn the outsides in exchange for less undercooked insides.

How do you keep potatoes from getting soggy? ›

The key is to store potatoes in a cool dry place, like in the cabinet of a pantry, in a paper bag or cardboard box. It's important to keep potatoes at the cool, ideal temperature (but not, surprisingly, the fridge) to prevent them from turning green, getting soft spots, or pre-maturely sprouting.

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