The Best Crispy Roast Potatoes You’ll Ever Make

If you like crispy potatoes that are crunchy on the outside and creamy on the inside, these are exactly that. They truly are the best crispy roast potatoes you’ll ever make.

I know this sounds weird, but if I could only eat one thing for a week, it would probably be potatoes. I love the versatility and variety potatoes offer.

These roast potatoes are one of my favorite ways to eat potatoes, though believe me, there are many others on the list. If you are like me you will want to try these oven-baked crispy smashed potatoes , honey sriracha roasted potatoes or roasted parmesan sweet potatoes.

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Of course, to get them to this level of amazing, you have to put in a little effort. Making the perfect potato is not just chopping up whatever russets you have in the fridge and throwing them in a hot oven.

There’s a technique to these potatoes. But I promise you’ll be greatly rewarded. I learned this technique from Cook’s Illustrated The Science of Good Cooking. It’s a keeper.

I went seeking answers after many disastrous attempts to make roast potatoes that resulted in soggy, not at all crispy excuses. I just couldn’t figure out why they never turned out well, until I learned that the starch and sugar content in potatoes has a dramatic affect and had to be taken into consideration.

Potatoes with a high starch content are lower in moisture, so they brown and crisp up better than low-starch potatoes. Potatoes with higher sugar content will have a more intense malliard reaction, meaning they will brown better.

It’s also best if the potatoes have been chilled for at least a day before you use them for this recipe. Chilling will turn some of the starch in the potato into sugar, which we already know helps with browning.

How to Make the Perfect Roast Potatoes

Step One – Chop

The size of the potato pieces will have a big impact on the outcome. I suggest chunks of about 1 – 2 inches each, because it will provide the best crunch to fluffy potato ratio. With smaller pieces, the crunchy surface tends to overwhelm the small amount of potato inside.

Step Two – Parboil

Once the potatoes are chopped, you need to break down the starch in the potato by parboiling them. It won’t take long. I always put lots of salt and a ½ tsp baking soda in the water.

I know it sounds weird but baking soda helps release the starches into the water, which will attach to the surface of the potatoes and help them crisp up.

The potatoes are ready when you can insert a fork and they are tender but not crisp. If they fall apart, you’ve gone too far.

Step Three – Drain and Allow to Steam

Drain the potatoes and – this is important – allow them to sit in the pan and blow off steam for a minute to dry them out.

Step Four – Toss with Olive Oil

Add the olive oil, salt and pepper to a bowl that’s large enough to hold your potatoes. pour the potatoes into the bowl and toss to coat the potatoes. This will also start to slightly mash the surface of the potato, which will create the perfect crispy crust in the oven.

Step Five – Spread onto baking sheet

Transfer the potatoes to a baking sheet. Don’t crowd them. Each potato chunk needs a little space to get crispy. This is the number one reason why potatoes don’t get adequately crispy, so do yourself a favor and just spread them out.

If you’re making a large batch, you might have to cook them in 2 batches. That’s better than crowding.

Step Six – Bake

Put the baking sheet into the oven and bake at 425 degrees F (215 degrees C) for about 20 minutes.

Watch as transform into the perfect crispy potatoes. You’ll need to turn the potatoes once at the 20 minute mark to give an even crunch. Continue cooking for an additional 15-20 minutes, or until you’re desired level of crispiness is reached.

Don’t let them get too browned. Darker doesn’t necessarily mean crispier. If you overcook them, the exterior can become tough. 

» You can also cook these potatoes in an air fryer, which develops a great crunchy exterior, without any excess oil.

Be sure to serve the potatoes as soon as they come out of the oven. That’s when they’re at their most glorious. I like to sprinkle on a bit of flake salt and serve with ketchup. You can also sprinkle on a bit of rosemary or Parmesan cheese for a variation.

Which is the Right Potato?

The question always turns to which type of potato is the right one to use. Russet potatoes are actually pretty good contenders. They’ll crisp up well and be fluffy in the middle. If you prefer a creamier middle, try Yukon Golds.

Now that we live in the UK, I’ve completely fallen for Maris Piper potatoes. They always end up with the perfect interior fluffy to creamy ratio.

If you want to experiment with different types of potatoes, it’s actually pretty interesting to see the different outcomes. You can also check out this potato chart to learn more about each type of potato.

Other recipes to try

• Easy & Tasty Brine for Chicken Wings
• Crispy Port Knuckle
• Roasted Green Beans and Mushrooms

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The Best Crispy Roast Potatoes You’ll Ever Make

These crispy roast potatoes are the perfect combination of crunchy and fluffy.

4.37 from 58 votes

Print Pin Rate

Course: Side Dish

Cuisine: American

Keyword: Potatoes

Prep Time: 15 minutes

Cook Time: 40 minutes

Total Time: 55 minutes

Servings: 2 Servings

Calories: 474kcal

Author: Laura

Ingredients

• 2 pounds russet or Yukon Gold potatoes peeled and cut into 1" chunks
• 1 1/2 tsp salt divided
• 1/4 tsp baking soda
• 2 tbsp extra-virgin olive oil
• ¼ tsp ground black pepper
• ⅛ tsp rosemary finely chopped (optional)

Instructions

• Pre-heat oven to 425 degrees F (215 degrees C).
• Chop potatoes into 1" to 2" chunks.
• Fill a medium pot halfway with water and set it on medium heat. Add 1 tsp salt (reserving the rest) and baking soda to the water. Add the potato chunks to the pot. Boil for 6-8 minutes or until just slightly tender.
• Meanwhile, add olive oil, remaining salt, and pepper in a bowl big enough to hold the potato chunks.
• When the potatoes are done, drain and allow to sit in the pan for 1 minute to evaporate any remaining water.
• Add potatoes to the bowl with the olive oil mixture. Toss to coat. The surface of the chunks should break up slightly and become rough.
• Transfer potatoes to a baking sheet and spread out evenly. Do not crowd. Place the tray in the oven.
• Allow the potatoes to brown for around 20 minutes. Gently flip the potatoes over. Bake for an additional 10-20 minutes until they are golden on the outside.
• Remove from oven. Sprinkle with salt and rosemary, if desired. Serve immediately.

Video

Notes

• To retain their crunch, these potatoes need to be served immediately. If you aren’t serving them right away, undercook them slightly by about 5 minutes. Then return them to the oven for 5-10 minutes just before serving.

Nutrition

Calories: 474kcal | Carbohydrates: 79g | Protein: 9g | Fat: 14g | Saturated Fat: 2g | Sodium: 1929mg | Potassium: 1910mg | Fiber: 10g | Sugar: 4g | Vitamin C: 89mg | Calcium: 54mg | Iron: 4mg

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Laura

Laura is a home cook who loves making new recipes and finding new favorite things to eat, whether at home or abroad. She also runs a popular travel blog and spends a lot of her time traveling for food.