Instructables

Perfect oven sweet potato fries

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I have perfected the art of the sweet potato fry. I've made them so many times that I have a very set formula for making them. I don't enjoy frying things, so I do mine in the oven. They're easy and tasty and go well with Cuban, Mexican and Indian food. :D

They're also good for holiday dinners. I just can't get on the "let's dump half a bag of brown sugar and some marshmallows into a pan with some sweet potatoes and maple syrup!" bandwagon. Sweet potatoes are sweet enough as is!

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Step 1: Supplies!

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You will need:
  • one large sweet potato
  • sea salt (coarse)
  • freshly ground black pepper, chunky
  • good quality olive oil
  • a peeler (optional)
  • a sharp chef's knife
  • a cutting board
  • a large baking sheet (not pictured)
This recipe takes about a half hour to make, and one large sweet potato can serve 2-3 people if it's a side. Or sometimes I'll eat a whole one by myself if I've had nothing else to eat that day.

Step 2: Preheat the oven and prep the sweet potato!

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Set the oven to 450 degrees Fahrenheit.

You can either peel the potato or leave the skin on - lately I leave it on every time. It adds nutrition and a nice chewy texture. :D

I don't worry about washing it, normally, but you can rinse it in the sink as long as you promise me you'll dry it off very, very well. If it's still wet the olive oil won't coat the fries as well, which will lead to soggy fries. And then you'll be disappointed with the fries and I'll be disappointed with you. :(

If your sweet potato has skinny ends, cut those off.

Step 3: Slice the sweet potato!

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Most times, I will cut the sweet potato in half because they're normally very large.

Now, take a half of the sweet potato and cut it into large slices about 3/4 inch thick. You'll then cut the larger slices into fries. Your fries should be 1/2 inch to 3/4 inch thick.

Repeat this for the other half!

Sorry for the lack of action shots, I was doing this all by myself. :P

Step 4: Put the fries on the baking sheet!

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Just throw them all on there.

Sprinkle a good pinch of sea salt over them, and then apply a ton of freshly ground black pepper. I like to keep mine more chunky because it gives them a nice bite. :D

Drizzle with olive oil (Probably about 1/8 cup, I don't know, I just eyeball things.)

Now, mix it all together on the baking sheet. Make sure you're scooping the salt, pepper and oil from the bottom and mixing it in. Don't let the tastiness go to waste!

At this point you can add more olive oil if you want - just don't drown them. They should look glossy, but they shouldn't be sitting in a pool of olive oil.

Once everything's mixed, space out the fries on the baking sheet. Make sure they're all evenly spaced and not touching. They'll get soggy otherwise!

Step 5: Baking!

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Put them in the oven for 15 minutes. Do not open the oven or fidget with them during this time. Just let 'em cook. The smell will probably be too much to bear, so perhaps this is a good time to go to another room and focus on something else. :D

Then, take them out and flip them. I use my bare hands most of the time, but tongs work well too. (The first photo is after the first 15 minutes)

Once they're flipped, put them back in the oven for 10 minutes. :)

Both sides should now be dark brown and crispy and delicious. And hopefully spicy, if you followed my directions. Spicy is the way to go with sweet potato fries!

Keep in mind that I like mine REALLY dark and crispy. Should you want a lighter brown color, just reduce the cooking time a couple minutes for both sides.

Enjoy! :D

Additional cooking tips:
  • these will not turn out very crispy at all if you're cooking anything else in the oven, or if the fries are crowded too close together. They'll sweat instead of crisp!
  • keep an eye on them because ovens are tricksy little things. You don't want them to get black.
  • also, a lighter colored baking sheet is preferable - mine are very dark and I've started to have to cut my cooking time a lot to avoid getting them too dark.
  • Feel free to cut them smaller and cook them for less time - 10 minutes for the first side and 8 for the second works well for thinner fries.
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Brewer9 days ago
Thanks, gonna try it tonight ?
BukolaA11 days ago

Delicious!

Crow MerisA13 days ago

Excellent recipe - thank you!

TimberleeF1 month ago

I prefer to throw the fries in a large bowl, put the oil in, toss with the bowl then add a little salt and pepper, toss and repeat 3x. Coats them good and even!

mikolynn1 month ago

Close to 6 million people can now cock at the best way sweet potatoes!

Really amazing!

P.D. In spanish Sweet potatos are named Boniatos, wich sounds good! ;)

No_Limits3 months ago

Love sweet potato fries. I tried coconut oil mixed with some sugar and it was amazing. Nice instructable.

abender14 months ago

Thank you for this instructable. My niece just gave me a banana box full of sweet potatoes and I need all the ideas I can get. P.S. i thought i was the only person that uses their bare hands to flip fries in a hot oven.

chocolatechip5 months ago

Just wanted you to know that this is the most viewed instructable on the entire instructabales website! Congrats! Btw i love your account :)

hunter9997 months ago

Wow! These look great, and 5 mill views :-O Congratz on a outsanding achievement! :D

sparki617 months ago

We made these and the flavor was great but we suggest cutting wedges. Easier to flip and more uniform cooking. We found that adding more cook time left them crispy on the outside and soft in the middle.

impied made it!7 months ago

Delicious! Even though my trusty assistant cut them in cubes instead of fries :)

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darksb3r7 months ago

Tried these for the first time yesterday. I thought they turned out delicious. My 4 yr old really liked them as well. Any time I can bake instead of fry, I'm happy. Thanks for the instructable :)

Takelababy8 months ago

Try this same recipe using orange turnips. When hot sprinkle with parmesan cheese. It adds that extra yummy.

SpringRobin8 months ago

These look really good!! I'm going to give them a try tonight! Thanks!

Absolutely loved this recipe's simplicity and with just salt and pepper, it tastes amazing! Can't thank you enough. Cheers!
stigarea8 months ago
Thank you! Thank you! Thank you!! I have been looking for the best Sweet Potato Fries recipe and this was PERFECT! I just finished making them and sprinkled some fresh Parmesan Cheese on top when it was finished and it was delicious! I will be saving a lot of money now! Thanks Again!
diana101 year ago
I wish I made more.
diana101 year ago
mine came out perfect! just like you said! it's the first time I ever made them - so glad I found your recipe. the only way this recipe can go wrong is if you don't stay in the kitchen for 10 minutes and keep your eye on them. wipe down your countertops or appliances meanwhile!
mhardy31 year ago
Mine came out black. 230 degrees Celsius, for 15 minutes was way too long/hot!
PGBradford1 year ago
These are so good! Especially when I add a little smoked paprika. Thanks for the recipe!
mvhoute1 year ago
I love this recipe! And (most importantly for me) it's great when you're doing Whole30 and/or Paleo!
I add Mexican chili spice to heat up the sweet. I've been doing them on the BBQ, even out camping. They turn out great!
Sorry the rest of my msg got chopped off. what I said was my stomach was growling from just lookin at the photos Cant wait to try them. And thanks for sharing..

ring ms.jessyratfink...cute name...
dconing1 year ago
This is the first time I've ever eaten sweet potatoes (yes, I'm a "northerner"). Thanks for the recipe. The fries did come out black on the sides touching the pan. I used aluminum foil and cooked the 15 & 10 minutes, do you think the foil was the problem? (Perhaps the pan was too close to the heating element?) Also, I used garlic pepper spice which was tastee...
jessyratfink (author)  dconing1 year ago
Honestly, they blacken really quick in general! Especially if the pan you were using was dark.

Next time I'd suggest cutting the cooking time a little - maybe 10 and then 12 minutes?

And I'm so excited you've had sweet potatoes now :D
farticus1 year ago
We preheat the potato in the microwave while the convection oven is preheating to get a super crunchy surface and a soft well cooked inside.
tnorm58281 year ago
I've been doing these a similar way though I've opted normally for just regular vegetable or canola oil. And I agree... spicy is the right way to go. I add a bit of sugar (and sometimes cinnamon) to just give it a bit more sweet taste too.
Denon1 year ago
Sometimes I use left over packet seasoning like fajita mix or so juicy spice mix or smoked paprika, I bung them in a bag, add the oil, toss around then add the seasoning.
slytface1 year ago
awesome! I had some yams and I used them with this recipe. HMMM HMMM good.
Noir Moon1 year ago
These sound delicious and will have them tomorrow for dinner. :) And hanks for the enjoyable tutorial!
adesai71 year ago
great recipe
HollyMann1 year ago
Your food instructables are killing me...they look SOOO good!! My oven is broken right now and I really want to make these!!!
handprints1 year ago
I am going to do this today! you make it sound so easy!!!! I hope I don't cut myself. I am not good with sharp objects. :)
SonikJ1 year ago
I like mine roasted with chorizo and onion for extra flavour
eoverton1 year ago
I've been looking for something to soak up my chipotle and garlic aioli sauces. Score!
flores86091 year ago
Wow, I was not confident, but decided to try the recipe anyway. Absolutely great and easy.
ccopp1 year ago
Yummo, simple to do and delishus...bravo!! And thanks. I tried sprinkling some garlic salt and cayenne pepper on mine....kinda worked
eyesee1 year ago
Watching the drool
violetvee1 year ago
These came out suberp--I didn't miss the "fried" part in the least. I must say, though, that I wish they'd come with a disclaimer for those with particularly sensitive smoke alarms! I live in a 3-unit house, and first the alarm in my apartment started going off, and then the one in the hallway outside my apartment started going off, so I was running like a madwoman between alarms trying to fan away the smoke. I didn't burn the fries, but I guess the high sugar content produces a lot of smoke when it comes into contact with the hot metal. I am pretty sure I now have 25% less hearing. But, 20 minutes later when I finally was able to disable both alarms and was sufficiently deaf, I was able to enjoy these wonderfully tasty fries with butter and some sacred basil honey given to me by a friend. I will set up a fan to blow smoke out the window next time!
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