Cajun Fries

Cajun Fries
⏱️ cook time 35 minutes
🍽️ servings 4
⚡ Difficulty easy

intro

Ultra-crispy, boldly spiced potato fries coated in zesty Cajun seasoning, perfect for sharing with creamy dip at casual, fun gatherings.

Ingredients

Russet potatoes 900 grams (about 4 large)
Vegetable oil (canola or peanut) 1 liter
Cornstarch 2 tablespoons
Smoked paprika 2 tablespoons
Garlic powder 1 tablespoon
Onion powder 1 teaspoon
Dried oregano 1 teaspoon
Dried thyme 1/2 teaspoon
Cayenne pepper 1/2 teaspoon
Kosher salt 1.5 teaspoons
Ground black pepper 1/2 teaspoon

Steps

1

Prep and soak potatoes

Scrub 900 grams of russet potatoes clean, leave skins on for extra texture, and cut into uniform 1cm (1/2 inch) thick sticks. Place cut fries in a large bowl of cold water, soak for 15 minutes to leach excess starch for crispier final results.

Step 1
step1:Prep and soak potatoes
2

Dry and coat fries

Drain soaked potatoes fully, then spread in a single layer on a paper-towel-lined baking sheet. Pat fries completely dry with extra paper towels to remove all surface moisture (to prevent oil splatter and sogginess), then toss with 2 tablespoons of cornstarch until every stick has a light, even coating.

Step 2
step2:Dry and coat fries
3

Heat frying oil

Pour 1 liter of canola or peanut oil into a heavy-bottomed Dutch oven or deep fryer. Heat over medium-high heat for 8-10 minutes until the oil reaches a precise 160°C (320°F), measured with a clip-on candy or deep fry thermometer.

Step 3
step3:Heat frying oil
4

Par-cook potato batches

Fry in 3 equal small batches to avoid dropping oil temperature: carefully lower one batch of coated fries into 160°C oil, fry for 5 minutes until pale, tender, and not browned. Use a slotted metal spoon to lift fries out, transfer to a wire rack over a baking sheet to drain for 5 minutes between batches.

Step 4
step4:Par-cook potato batches
5

Mix Cajun seasoning

While par-cooked fries drain, stir together the spice blend in a small bowl: 2 tablespoons smoked paprika, 1 tablespoon garlic powder, 1 teaspoon onion powder, 1 teaspoon dried oregano, 1/2 teaspoon dried thyme, 1/2 teaspoon cayenne pepper, 1.5 teaspoons kosher salt, and 1/2 teaspoon ground black pepper. Increase oil heat to 190°C (375°F), about 3 minutes of additional heating.

Step 5
step5:Mix Cajun seasoning
6

Crisp and season fries

Working in small batches again, fry par-cooked fries in 190°C (375°F) oil for 2-3 minutes per batch until deep golden brown and shatteringly crisp. Remove immediately, shake off excess oil, then toss hot fries in a large bowl with 2 tablespoons of the prepared Cajun seasoning until evenly coated, and serve right away.

Step 6
step6:Crisp and season fries

Tips

1.Always fry in small batches: overcrowding the pot drops oil temperature by 20-30°C, leading to soggy, grease-soaked fries instead of crispy results.
2.Adjust cayenne pepper to your heat preference: use 1/4 teaspoon for mild, kid-friendly fries, or 1 full teaspoon for bold, zesty Cajun heat.
3.For a lighter air fryer alternative, toss dried, cornstarch-coated fries with 1 tablespoon of oil, cook at 200°C (400°F) for 20 minutes, shaking the basket every 5 minutes, then toss with seasoning as directed.

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Cajun Fries:Frequently Asked Questions

1.Why do my homemade Cajun fries turn out soggy instead of ultra-crispy like the recipe describes?
Sogginess almost always traces back to three easy-to-fix missteps: First, don’t skip the 30-minute cold water soak for cut russets to draw out excess surface starch. Second, pat fries completely dry before tossing with a thin cornstarch coating—any residual moisture creates steam instead of a crisp crust. Third, don’t overcrowd your cooking vessel, which drops oil temperature and makes fries soak up excess grease.
2.Can I make these crispy Cajun fries without a countertop deep fryer?
Absolutely! You can get equally crispy results in a standard oven or air fryer with a couple small tweaks. For oven baking, arrange cornstarch-tossed fries in a single layer on a wire rack set over a baking sheet at 425°F, flipping halfway through cook time. For air fryers, spritz coated fries lightly with oil, cook at 400°F in small batches, and shake the basket every 5 minutes for even browning.
3.When should I add the Cajun seasoning so it coats fries evenly instead of clumping or falling off?
Toss your hot, freshly cooked fries with the Cajun spice blend immediately after pulling them from the oil, oven, or air fryer—don’t wait for them to cool. The light residual surface oil on hot fries acts as a natural binder to help the smoked paprika, garlic powder, and other spices stick evenly. Avoid salting before cooking, as that draws out moisture that causes clumping.

Comments (3)

2 days ago

OMG these Cajun fries are an absolute game changer! Made them for our Sunday family dinner last night to go with cheeseburgers, and every single person at the table was raving. I’ve tried so many homemade fry recipes that turn out soggy no matter what I do, but these stayed crispy from the first bite to the last. The Cajun seasoning has the perfect amount of kick—not too spicy for my 7-year-old, but flavorful enough for my husband who douses literally everything in hot sauce. I’m already planning to make a double batch for our neighborhood potluck next weekend!

yesterday

Totally cosign this! I made a big batch for my son’s 13th birthday cookout last weekend and even the pickiest teen boys went back for thirds. Quick pro tip: toss in a little extra smoked paprika with the seasoning if you love that deep, smoky flavor!

2 hours ago

That makes me so happy to hear, Mia! These fries are always the first empty platter at potlucks, so I have no doubt they’ll be a hit with your neighbors. If you want next-level crisp on your next batch, just make sure you pat the potato slices totally dry with paper towels before tossing them in oil—it makes all the difference!

3 days ago

SO good! I whipped up a huge batch of these on Sunday for my weekly meal prep, and they crisped back up perfectly after 3 minutes in the air fryer at 400 degrees for lunches. I was worried the Cajun spice would feel out of place paired with my usual grilled chicken and roasted broccoli, but it added such a fun zing that I didn’t get bored of my lunches even on day four. Total cook time was only 35 minutes too, which is a massive win for our chaotic weeknights with two kids under 5. My kids loved them so much they asked for a side with their chicken nuggets last night too!

2 days ago

That air fryer reheat trick is such a great meal prep hack, Liz! So many people write off homemade fries as something you can only make fresh, but that quick crisp-up works like a charm. I’m thrilled your kids loved them too—nothing beats a veggie side (yes, potatoes count!) that the whole family gets excited about.

5 minutes ago

Bro, these are insane. I’ve relied on frozen fries for literal years because I thought homemade fries were too fussy and never turned out right, but this recipe was so easy even I didn’t mess it up (and I burn toast at least once a week). The Cajun spice blend is perfectly balanced—garlicky, a little smoky, just a tiny kick of heat that doesn’t knock your socks off. I sprinkled a little grated parmesan on top right when I pulled them out of the oven and *chef’s kiss*. Ditching the frozen bag for good from now on. 10/10