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Crunchy Oven-Baked Sweet Potato Fries
Crunchy sweet potato fries, oven-baked to perfection.
Ingredients
- 1kg sweet potatoes, cut into fries approx 1-1.5cm thick
- 1 tbsp olive oil
- 1 tsp smoked paprika
- 1/2 tsp cumin
- Salt, to serve
Instructions
- Preheat oven to 200C and line two baking trays with baking paper.
- Toss the sweet potato through the oil, smoked paprika and cumin. Do not add salt.
- Evenly distribute the sweet potato in a single layer across the two baking trays. Make sure there's space between each fry to ensure they cook evenly.
- Bake in the hot oven for 25 minutes, one tray on the top rack, the second tray on the middle rack.
- After 25 minutes, swap the trays (so the top tray is now in the middle, and vice versa) and give the trays a little shake to flip the sweet potato fries.
- Bake an additional 15 minutes.
- Once finished cooking, and golden brown, turn the oven off and open the oven door and allow the sweet potato fries to sit in the oven an additional 5-10 minutes.
- Season with salt, and serve.
Notes
- The baking paper provides a crispier result compared to foil. I find the fries tend to stick to foil.
- Adding salt before cooking the fries, I find leads to soggy fries.
Nutrition Information:
Yield:
4Amount Per Serving: Calories: 248Total Fat: 3.5gSaturated Fat: 0.5gCholesterol: 0mgSodium: 0mgCarbohydrates: 52.5gFiber: 5gSugar: 0gProtein: 2.5g
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Crunchy Oven-Baked Sweet Potato Fries

Why I Always Choose Sweet Potato Fries
Whenever my husband and I go out for lunch or dinner somewhere cosy and casual, if there’s a choice between potato fries or sweet potato fries, I don’t even have to think. Sweet potato wins every time. Especially if there’s ranch on the side. Ranch and sweet potato is one of those underrated combos that should honestly be shouted from rooftops. We don’t get to go out much anymore – you know, thanks to the weird dance between open weeks and looming lockdowns. One week it’s register your name and scan the QR code and all is fine, and the next week you’re suddenly refreshing news pages and wondering if you should cancel your plans again. It’s autumn now, and part of me is just hoping things are back to normal by Christmas. In the meantime, we make do. And making do sometimes means recreating your favourite comfort food at home, like these Crunchy Oven-Baked Sweet Potato Fries.
They’re the kind of snack or side that never fails to lift my spirits, especially when I’m craving that golden, salty, slightly sweet crunch. And the best part? They’re genuinely easy to make. Easier than people think! No deep fryer needed, no fancy ingredients, and absolutely no peeling required. I don’t know who has the energy to peel sweet potatoes at the best of times, let alone when you’re already dealing with half the world being a bit upside down. What I do have the energy for is tossing everything onto a tray and popping it in the oven while I get the ranch dip sorted.
But, like with most things, there are a few little tricks that make all the difference. I had more than my fair share of soggy fries in the early days before figuring out what actually works. These days, I’ve got it down to a bit of a science – and the result is always gloriously crunchy on the outside, tender on the inside, and ready to be devoured with a smug little grin and a generous dollop of ranch.
Tricks for Crispy Perfection
Let me save you from the sad soggy fry phase, because no one deserves that. First thing – don’t salt them before they go into the oven. I used to do this all the time, and honestly, it was like seasoning a disappointment. Salting before baking draws out moisture, which means limp fries. No one wants limp fries. Always salt after. Trust me.
Next, you want to make sure your fries are all about the same size. Doesn’t have to be millimetre perfect – I’m not wielding a ruler – but roughly even sticks will cook at the same time, giving you a consistent crunch. The little end bits that naturally taper off? They’ll crisp up more, and I quite like that. It’s like getting a bonus chip in your packet. One that crunches like a crisp.
And while we’re talking trays – please, for the love of all things good and carby, use baking paper. Not foil. Foil will betray you. Sweet potatoes stick to foil like a clingy ex. Baking paper, on the other hand, gives you that smooth, non-stick glide. It also makes cleanup easier, which means more time dunking chips and less time scrubbing trays.

Bake Smart, Not Crowded
If you want your Crunchy Oven-Baked Sweet Potato Fries to actually be crunchy, give them some space. I’m not talking social distancing-levels of spacing, but you don’t want them cuddling up. A single layer, no overlapping, and ideally no fries touching. Overcrowding the tray creates steam, and steam is the enemy of crispiness. Keep it spaced, keep it simple.
I usually split the batch across two trays if I’m making a bigger portion. Yes, it means rotating trays halfway through cooking, but it’s absolutely worth it. It also gives me more room to hover in front of the oven, waiting for that moment they hit peak crisp. You know the one – when they start to catch just a little at the edges and you can smell that sweet caramelisation. That’s your cue!
While they bake, I usually whip up a quick ranch dipping sauce. I don’t go for store-bought – it’s too gloopy and weirdly sweet. Instead, I stir together a little creme fraiche, a tablespoon of mayo, my homemade ranch seasoning, and a pinch of salt. That’s it. The tang of the creme fraiche with the spices and that cooling mayo makes the dreamiest dip for fries.
Ingredients Breakdown
Let’s talk ingredients for Crunchy Oven-Baked Sweet Potato Fries. The star, obviously, is sweet potato. I use it unpeeled because the skin crisps up beautifully and I’m far too lazy to peel them anyway. You want a good glug of olive oil to coat them so they roast properly and develop that nice outer crunch.
As for seasoning, this recipe keeps it simple. Just some cracked black pepper before baking, and the salt comes after. You can absolutely get fancy with smoked paprika or garlic powder if you want a bit of flair, but they’re not essential. The real game-changer is the technique – the spacing, the baking paper, the timing.
And don’t forget that ranch. It’s technically optional, but in my house, it might as well be law. Creme fraiche, mayonnaise, a tablespoon of ranch seasoning (the dry packet kind), and a pinch of salt. Stir until smooth and you’re good to go. Sweet, salty, crunchy, tangy. That’s the quartet of joy right there.

