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Go for that five guys Cajun spiced fries flavour with my Crispy Air Fryer Spicy Cajun Fries recipe. These are quick to make in your Ninja Foodi and can be on your plate in 30 minutes. A great alternative to regular chips.
In this post I show you how to turn a regular potato into a batch of tasty air fryer made Cajun chips. You can use a premade Cajun seasoning or make your own.

Get the Cajun flavour with a few spices and an air fryer.
This is a bit of a spin off the regular air fryer Foodi chips and works really well with a tasty California Guacamole burger.
Contents
Ingredients
This is such a simple dish and literally has only 3 ingredients. They are quite healthy too as cooking fries in the air fryer uses way less oil that a regular deep fat fryer.

- Cajun seasoning
- Potatoes
- Vegetable oil
See recipe card for quantities.
Instructions
The process is very similar to regular chips in the air fryer as per my other post. However the special thing about these fries is the spicy Cajun seasoning.

- Step 1: Peel the potatoes - aim for 3 potatoes per 2 people for an average amount of fries.

- Step 2: Slice the potatoes lengthways and then along. Aim for 0.5cm wide pieces (think McDonalds fries size).

- Step 3: Soak the chipped potatoes in 1.5 litres of water with 1 teaspoon of salt stirred in. Soak until ready to cook, ideally more that 30 minutes but can be just a few if you are in a rush. This step helps get rid of starch.

- Step 4: Pat dry on kitchen roll or a tea towel. Make sure to dry off as much water as possible to help make the fries extra crispy.

- Step 5: In a dry bowl, put the fries in and then add 1 tablespoon of oil. Stir around to cover all the fries and then tip in 1 tablespoon of Cajun seasoning. Mix this around until all the fries are covered.

- Step 6: In your pre-heated air fryer, cook on air fry mode on the roasting tray at the bottom for 20 minutes at 200C.

- Step 7: Half way through cooking, check the fries and give them a shake around to even out the cooking.

- Step 8: After 20 minutes, the fries will be ready. Pat down with a little kitchen roll to remove excess oil and serve.
Aim to serve as soon as possible to them coming out of the air fryer. If they sit around for too long the fries could lose their crispness.
Making Cajun Seasoning
As the pictures show, I have made my own Cajun seasoning in a batch and store it in a spare spice jar. You can buy pre-made Cajun seasoning but you might find you already have the majority of the ingredients if you have a well stocked pantry.
To make a seasoning from scratch the ingredients you need are:
- 1 tablespoon garlic powder
- 1 tablespoon sea salt
- 1 tablespoon paprika
- 1 teaspoon cayenne pepper
- 1 teaspoon dried basil
- 1 teaspoon dried thyme
- 1 teaspoon dried oregano
- 1 teaspoon ground cumin
- 2 teaspoon white pepper (ground)
- 2 teaspoon onion powder
Then mix them altogether and store in an airtight dry container. The recipe for these fries calls for 1 tablespoon of the completed mix.
Top Tip
Keep the size of the fries as similar as possible when chopping them. This will ensure all the fries are cooked equally during the time in the air fryer.
Substitutions
The Cajun seasoning can be swapped out for different types of spices or seasons.
- BBQ - go for a meaty BBQ flavour seasoning for a lighter taste.
- Lemon Chicken - to get that Nando's flavour, try swapping the seasoning for lemon chicken flavour
- Salt and Pepper - simple salt and pepper flavours will work well with these fries too.
Variations
There are a few twists you could try with these fries.
- KFC style - following my KFC style seasoning post, try adding the KFC coating to the fries instead of the Cajun seasoning.
- Chinese style - add garlic, chili pepper and a teaspoon of Chinese five spice for a salt and pepper style flavour.
Equipment
The key to this dish is the air fryer. My Ninja Foodi 15 in 1 offers me a large range of versatility on what and how I can cook. I'd recommend checking out the range that Ninja do (other air fryers are available of course). Find out more details here about what types are for sale.
Storage
These fries are best eaten once cooked, they don't really store too well. If you want to prepare the chips in advance however that will work. Keep them in water and then when ready, dry them off and add seasoning before cooking as per steps 4 and 5.
FAQ
If you soak your fries when raw for at least 30 minutes, this will remove a lot of the starch from them and end up with a crispier batch of fries. Also make sure that you dry them off fully after taking them out of the water before putting the oil on them.
Lastly, don't pack too many fries in the air fryer and try to cook them all at once. This will cause an excess of steam and therefore make them soggy.
Related
Looking for other sides like this? Try these:
Pairing
Some ideas to serve these fries along side:
The Recipe

Crispy Air Fryer Spicy Cajun Fries
Equipment
Ingredients
- 3 Potatoes
- 1 tablespoon Cajun spice mix
- 1 tablespoon Vegetable oil
Instructions
- Peel the potatoes and slice them into thin fries shapes. Think McDonalds type fries size.3 Potatoes
- Place the peeled and chipped fries into a bowl of cold salted water to soak for a few minutes (30 minutes or more works best but 10 minutes will be fine).
- Drain the fries and then set them out on some kitchen roll or a tea towel to dry
- Place back in the now empty bowl and tip in the oil and the Cajun mix. Mix thoroughly so the spice mix sticks on all the fries.1 tbsp Cajun spice mix, 1 tbsp Vegetable oil
- Cook in the air fryer on 200℃ for 20 minutes. Shake half way through cooking.
Notes
Nutrition
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