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

Shopping List

parsley or rosemary or thyme

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.

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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


  • 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


  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!


  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



Serving Size


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)


Why won't my roast potatoes stay crispy? ›

You might not be using enough oil. If you're not using enough oil to coat the potato, it won't get crispy as it bakes. You might be using the wrong type of potato. Potatoes with a high starch content, such as Russet potatoes, are better for baking because they become fluffy and crispy when cooked.

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.

Why do you soak potatoes 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.

How does Gordon Ramsay make the best roast potatoes? ›

In a video online, Gordon explained: “For crispy roast potatoes, you can depend on them, my tip is to parboil them, leave them to steam dry, then sprinkle them with semolina or flour, and then give them a good roughing up.”

What oil is best for roasting potatoes? ›

Neutral, low-cost oil such as vegetable oil, canola oil, safflower oil, peanut oil, corn oil, coconut oil, avocado oil, etc., work well for roasting. These oils have a high smoke point, allowing the potatoes to get very hot to achieve maximum crispiness.

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.

What happens if you don't boil potatoes before roasting? ›

If the potatoes are raw, when you use a high temperature, the outside of the potatoes will burn before the inside cooks. That's why the parboiling is really important! Now these potatoes are my "basic" ones with my usual go-to seasoning.

What happens if you boil potatoes before baking? ›

He boiled the potatoes first, which serves to semi-separate the potato from the skin. This comes in handy when it's baking time because it allows the skin to get even crispier than usual.

How long should you parboil potatoes? ›

A general rule of thumb is to parboil potatoes until they are fork-tender but not falling apart, this can range anywhere from 15 minutes for small potatoes to 25-30 minutes for large whole potatoes.

What happens if you don't soak potatoes before baking? ›

Yes! Soak the potatoes in cold water to remove the excess starch from the outside of the potato. There are a few reasons why you want to remove that starch (it makes the potatoes burn, it keeps them from crisping up, it turns to sugar) but all you really need to remember is to soak them at least one hour.

What happens if you don't soak potatoes in water? ›

First let's talk about why cut potatoes need to be immersed in water to begin with. 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.

Is it better to roast potatoes on parchment paper or aluminum foil? ›

TIP: parchment paper is better to prevent sticking, but aluminum foil yields crispier results. If you use foil, you'll want to lightly grease it to prevent the potatoes from sticking. Note that even if you do that, they may still stick.

How do you roast potatoes Bobby Flay? ›

  1. Preheat the oven to 425 degrees F.
  2. Toss the potatoes with the canola oil, garlic paste and salt and pepper to taste. Place on a sheet tray and roast until cooked through and golden brown, 25 to 30 minutes.
  3. Remove from the oven and immediately fold in the herbs.

Why are restaurant baked potatoes so good? ›

The olive oil helps the seasonings adhere to the surface of the potato. To save time, restaurants often apply the oil with a spray bottle. Thanks to their naturally high starch content, which creates a plush texture under heat, Russet potatoes make a good fit for baking.

Why are red potatoes better for roasting? ›

Red potatoes are great for roasting, cooking in soups, or boiling or steaming for potato salad. The waxy nature of the flesh means they'll maintain their shape, but it also means they will get gluey when overworked, so you'll want to choose a different potato for mashing.

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.

Why are my potatoes not getting soft in the oven? ›

Old Potatoes: Very old or stored potatoes can become starchy and may not soften as well during cooking. It's best to use fresh, firm potatoes. Acidic Ingredients: If your soup contained highly acidic ingredients (e.g., tomatoes), it could have affected the texture of the potatoes.

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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