A fuss-free recipe for deep-frying sweet potato fries. Golden crisp on the outside and tender on the inside, seasoned with Italian herbs and garlic.

I blame Nigella for this recipe, and many apologies to all of you who make these sweet potato fries.

They are worse than a full bag of peanut M & M’s. There’s no way to possibly eat just one.

If you’re ready, then go all in. Fair warning.

But just so you know where I stand on this topic – GO ALL IN.

I was teased into indulging in this creamy vanilla dessert thanks to Nigella’s book, after which I couldn’t help trying her method for making Tuscan fries.

She credits Cesare Casella, a chef originally from Lucca, for inventing Tuscan Fries.

They are potatoes deep-fried with aromatic herbs (rosemary, sage, thyme) and whole garlic cloves.

Sounds delicious, right?

But what really got me interested in the recipe was the method Nigella adapted from Cook’s Illustrated.

How to make easy deep-fried French fries

It’s described as a “revolutionary” fuss-free way to deep-fry.

The method involves starting the potatoes in cold oil, then heating it to a rapid boil.

The potatoes end up frying to perfection in about 25 minutes.

I don’t like messing with deep-frying usually, but I became very curious and decided to give it a go.

I didn’t have any of the waxy potatoes called for in Nigella’s recipe, so I forged ahead with a few sweet potatoes instead.

I also decided not to use corn oil, which the recipe suggests.

For both health and flavor reasons, I do my best not to cook with ultra-processed vegetable oils.

It’s olive oil or nothing for the most part (well, except for really good butter and the occasional fling with duck fat, which also makes killer fries).

However, I saved the extra-virgin oil for another day and used a “light” olive oil, which I’m afraid after reading the excellent book Extra Virginity is just as scandalously corrupted and impure as a tanker full of cheap soybean oil.

But what the hell. At some point you have to just move on and start frying.

Which I did, and I’m pleased to report that the recipe worked like a charm.

The sweet potatoes emerged dark and crisp and were perfectly tender on the inside.

The crunchy bits of fried herbs shatter into tiny shards that coat the potatoes, giving every mouthful a taste of them.

The garlic slips out of the skin, golden and soft; just right for squeezing out onto the sweet potatoes for even more flavor.

I had some smoked salt and sprinkled some of it over everything, which kind of took it over the top into sweet potato fantastic-ness.

One more great thing – save the oil. It’s aromatic with herbs and garlic, and it’s good for cooking other food.

I measured the oil after cooking as Nigella describes in the recipe introduction, and recovered almost exactly all of it.

So cold-start deep frying might not be such an indulgence after all.

Yield: 4-6 servings

Tuscan Sweet Potato Fries

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Foolproof deep-frying? Yes, it's possible! These Tuscan Sweet Potato Fries are golden and crisp on the outside and tender on the inside, seasoned with Italian herbs and garlic. 

Prep Time 10 minutes

Cook Time 30 minutes

Total Time 40 minutes

Ingredients

• 3 medium sweet potatoes (about 1 ¾ pounds)
• 1 ½ quarts olive oil (not expensive extra-virgin)
• 1 head of garlic, separated into cloves (unpeeled)
• Handful each rosemary, sage and thyme sprigs
• Smoked sea salt, kosher or sea salt

Instructions

1. Trim off the ends of the sweet potatoes (no need to peel them), stand them on end and slice down vertically into ½-wide planks, then into ½-inch wide fries. If the potatoes are longer than 4 inches, cut the slices in half.
2. Put the sweet potatoes in a wide, heavy pot (I used a 4-quart casserole pot 10 inches in diameter and 4 inches deep); cover with the oil, place over high heat and bring to a boil. It should take about 5 minutes.
3. Once the oil is bubbling vigorously, set a timer for 15 minutes. Use a deep-fry thermometer to adjust the heat if needed, keeping the oil somewhere between 275 and 300 degrees.
4. After 15 minutes, carefully move the sweet potatoes around with a pair of long tongs to mix them around a little. Add the garlic cloves and continue frying for another 5 or 10 minutes, keeping your eye peeled that neither the potatoes or garlic gets too dark.
5. Test a fry – carefully- for doneness. If they are golden and crisp and tender on the inside, toss in the herbs (stand back while you do this in case of splatters) and fry for another minute or so.
6. Use a slotted skimmer to transfer everything to a towel-lined baking sheet. Blot briefly and sprinkle with salt. Serve right away.

Notes

A deep fry thermometer is highly recommended.

Recipe inspired by Tuscan Fries inNigellissima

Nutrition Information:

Yield:

6

Serving Size:

1
Amount Per Serving:Calories: 175 Total Fat: 20g Saturated Fat: 31g Trans Fat: 0g Unsaturated Fat: 20g Cholesterol: 0mg Sodium: 112mg Carbohydrates: 21g Fiber: 6g Sugar: 4g Protein: 2g

Nutrition information is automatically calculated by Nutritionix. I am not a nutritionist and cannot guarantee accuracy. If your health depends on nutrition information, please calculate with your favorite calculator.

Familystyle Food

Hi there! I’m Karen, a mother of two and a professionally trained cook certified in holistic nutrition.

As the recipe developer, photographer and publisher of Familystyle Food, I share recipes and tips for making easy seasonal meals that are healthy and flavorful. Learn more about me here.

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