Sweet potato fries are high up on the list of the best side dish there is. They are simple to make, you can season them with anything and you can get them perfectly crispy without frying (by following our tips). These Baked Sweet Potato Fries are a must for your next burger or pizza night.

These sweet potatoes fries will change your life. If sweet potato fries are a big part of your life that is. They are crispy on the outside, fluffy on the inside, and haven't been anywhere near a fryer.
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What you will need
- Sweet potatoes - Make sure to follow the tips below for soaking and drying the potatoes
- Oil - We used a good quality olive oil, but vegetable oil or sunflower oil will work too.
- Cornstarch - Also known as corn flour. This is the secret ingredient to getting crispy fries.
- Seasoning - We went with garlic, parsley, sea salt and black pepper
Step by Step
One: Cut the sweet potatoes into fries about 1.5cm thick.
Two: Soak the fries in a bowl of water for 10 minutes. Dry with a towel.
Three: Place the soaked and dried potatoes in a large bowl and add the oil, cornstarch, garlic and parsley and mix well.
Four: Place them on to a baking tray and spread out so there is enough space between the fries. Put them in a preheated oven at 200°C/400°F/Gas 6 for 15 minutes. Flip the fries and then cook for a further 20 minutes, or until crispy.
Why should you try it?
- Great alternative to potato fries
- Vegan
- Easy to adapt with different seasoning
- Crispy, without being fried
Health benefits of sweet potato
Whilst there is nothing wrong with white potatoes, we love them, sweet potatoes make a nice change to regular fries and they have lots of nutritional benefits. Not only a good source of fibre, but packed with B vitamins and vitamin C too. They are also high in beta-carotene.
Baked, not fried
Whenever I post about sweet potato fries, someone tells me that they have tried to bake them but they never work and they always end up falling apart, so I thought I would share my method for making them.
You are never going to get them crispy like they are when deep fried, unless you burn them in the oven, but you can still make them crispy and super delicious in the oven by following our steps.
Seasoning
We could eat fries every day of the week, but having them the same way would get boring. An easy way to change them up each time is to use a different seasoning.
This recipe uses garlic granules, dried parsley and some salt and pepper. But you really could use anything you like. A Cajun or Mexican blend seasoning would work well, or just some chilli powder.
FAQs
You can use this exact recipe to make air fryer sweet potato fries too and they will get just as crisp. You can even use a little less oil if you like, as that's one of the great things about an air fryer.
Nobody wants a soggy floppy sweet potato fry - it's all about the crispiness. When you get them in a restaurant, they are always perfectly crispy, but usually fried. We wanted to keep them baked, but still with some crispiness.
The key to getting them crispy in the oven is rinsing them in cold water to get off any extra starch and then making sure they are dried of any water, so they crisp rather than steam. Cornstarch is also essential to a crispy baked fry, and you can mix it with the other seasonings before coating.
It's also important to make sure that you don't put too many fries in one pan and overcrowd them. They like their space, so use two pans if needed. Also, cook them at a high temperature. Following these simple steps will help you get that crispy baked fry that you want.
Extra tips
- To get crispy fries, soak them in water first and make sure they are dried well.
- Mix cornstarch with your seasoning for extra crispy fries.
- It's important to make sure you don't put too many fries in one pan, so space them out.
- Get creative with the seasoning. A Cajun or Mexican blend seasoning would work well.
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Recipe
Baked Sweet Potato Fries
Ingredients
- 400 g sweet potato
- 2 tablespoon olive oil
- 1 pinch sea salt and black pepper
- 2 tablespoon cornstarch/corn flour
- 1 tablespoon dried parsley
- 1 tablespoon garlic granules
Instructions
- Cut the sweet potatoes into fries about 15mm thick.
- Soak the fries in a bowl of water for 10 minutes. Dry with a towel.
- Place the soaked and dried potatoes in a large bowl and add the oil, cornstarch, garlic and parsley and mix well.
- Place them on to a baking tray and spread out so there is enough space between the fries.
- Put them in a preheated oven at 200C/400F/Gas 6 for 15 minutes. Flip the fries and then cook for a further 20 minutes, or until crispy. Sprinkle with salt and pepper before serving.
Notes
- To get crispy fries, soak them in water first and make sure they are dried well.
- Mix cornstarch with your seasoning for extra crispy fries.
- It's important to make sure you don't put too many fries in one pan, so space them out.
- Get creative with the seasoning. A Cajun or Mexican blend seasoning would work well.
Harriet Emily
I absolutely love sweet potato fries! These look so delicious Dannii, the photos are making me so hungry! Yummy!
Dannii
I am hungry again looking at them, and I have already had my breakfast.
Life as Mum
These look so delicious and tasty!
Dannii
They really are!
David @ Spiced
I love sweet potato fries! Like love them! I remember the first place I ever tried sweet potato fries was this restaurant in midtown Atlanta. It wasn't far from my apartment, and we'd go there often for a burger and sweet potato fries! Yum!!
Dannii
The first time I had them was in the U.S and none I have eaten since have compared.
Jemma @ Celery and Cupcakes
We always have sweet potato fries in my house and I actually prefer them to regular fries. Plus, my little man loves them too!
Dannii
I do love white potatoes, but sweet potatoes might just be the favourite.
vicky
I love sweet potato fries, but they are difficult to make. I have even bought them from the supermarket and they were tasteless. I am looking forward to trying this recipe.
Dannii
They should never be tasteless!
Ciara (My Fussy Eater)
These look so delicious. I love sweet potato fries. I always make them with coconut oil as I love that very subtle coconuty flavour it leaves on them. Mmmm! Pinning this recipe for sure!
Dannii
I always find that they burn that way. Thanks for pinning!
StressedMum
I love sweet potato whenever I have tried to make fries they never work, will be trying this x
Dannii
They key is leaving enough room between them.
Cheyanne @ No Spoon Necessary
Sweet potatoes are my FAVORITE fries, Dannii! But I obviously can't eat them every day, because Helloooo I need to fit into my jeans. ;) LOVE that you made BAKED ones! YAY! I'll take a HUGE vat! ;) Cheers, doll!
Dannii
If only we could eat them all day every day!
jennifer
I love sweet potato! It's the perfect snack too!! Love it!
Dannii
A very tasty snack!
Louisa
Well done on the weight loss Dannii. I am doing Weight Watchers too and I am 6lbs down in 3 weeks so far.
Dannii
Well done to you too :D
Gail
I have never tried these before. Do they taste much different to white potatoes?
Dannii
Yes, the texture is different, a bit softer, and they have a much sweeter flavour.
Susie @ SuzLyfe
I could easily eat my body weight in sweet potato fries, baked or not. In fact, I frequently do.
Dannii
It's the way forward I think!
Gayle @ Pumpkin 'N Spice
Sweet potato fries are my weakness! I order them whenever I go out to eat. I've made my own once before, so I definitely need to do it again after seeing this recipe. Looks delish!
Dannii
Now you can have sweet potatoes ALL the time :)
Rhian Westbury
I absolutely love making sweet potato fries, but I can never get them to taste anywhere near how they do when you go out x
Dannii
That's because they are not deep fried ;)
Dawn Fullma
Congrats on working with WW Dannii and a bit well done on losing 10lbs. You have a great attitude too, focusing on health as at the end of the day that is all that counts.
Dannii
Thank you! Health really is the most important thing.
Nicole
Thank you for the tip on leaving them to cool. I always mess them up and they fall to bits.
Dannii
It make a bit difference. I hope you enjoy them!
[email protected]
Lynne's favourite fries Dannii! Superb!
I love weight watchers recipes. You can easily combine their excellent recipes with lots of other great healthy recipes too. Lynne's mum gave me her weight watchers recipe books and I probably cook something from them at least once a week!
Good luck with your weight watchers course. :-)
Dannii
Thanks Neil! I am feeling really positive about it all.
Maria @ runningcupcake
I love sweet potato fries- but then I also love one baked at home.
Dannii
I think the baked ones are just as good!
Rach @ This Italian Family
I love sweet potato fries!! I'm with you on it being a bummer that they fry them when you order them at restaurants. I like them baked better anyway! :)
Dannii
The fried ones just make me feel like crap after.
Nicole @ Foodie Loves Fitness
Yum, I love to get my homemade fries nice and crispy. Have you ever tried Old Bay seasoning on your sweet potato fries? SO GOOD!
Dannii
No, I haven't tried that. I will look out for it!