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Home » Nut-Free

Copycat Five Guys Cajun Fries (Oven or Air Fryer)

Published: Jan 6, 2023 by Lauren Woodger · Disclosure: This post may contain affiliate links -This means I receive a commission for purchases made through those links, at no cost to you. As an Amazon Associate I earn from qualifying purchases · Leave a Comment

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Cajun fries in a small metal bucket..
Cajun fries in a small metal bucket..

These Copycat Five Guys Cajun Fries are generously seasoned with my cajun spice mix and taste just like the real thing! Instructions to cook them both in the oven & the air fryer and the best news is they are peanut oil free!

Close up of cajun fries in a small metal bucket.

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This peanut-free Copycat Five Guys Cajun Fries recipe tastes just like the real thing! 7 pepper ch

The fries are crispy on the outside, fluffy in the middle (just like my salt and pepper chips too) after quite a bit of tweaking and recipe testing I feel I have got the cajun-style seasoning blend spot on!

If you have a peanut allergy you may (or may not) know that Five Guys fries are cooked in peanut oil, (one of the top 14 allergens) so eating in or getting a takeout from this famous fast-food chain is a no-go. Even with separate fryers, the risk of cross-contamination when ordering a burger or hot dog seems too high to me with peanuts all over! (Even though I’m sure great care would be taken)

I have used olive oil to bake these fries and I can’t notice the difference in taste. They are also naturally gluten-free and dairy-free too.

For a true Five Guys experience, make my Five Guys Copycat Burger to enjoy along side the spicy fries.

If you love recreating restaurant dishes at home, you may also want to try this Nando's Butterfly Chicken & Homemade Nando's Spicy Rice too!

Jump to:
  • ❤️ Why You Will Love This Recipe!
  • 🥘 Ingredients You Will Need
  • 🤔 Can I Adjust The Spice Level?
  • ✏️ How To Make Cajun Fries
  • 💡 Tips & Tricks
  • 🥡 Storage & Reheating
  • 🍴 Serving Suggestions
  • 💬 Recipe FAQs
  • 📖 More Delicious Potato Dishes..
  • 📖 Recipe
  • 💬 Comments

❤️ Why You Will Love This Recipe!

  • ✔️ Tastes Just Like The Original: My spice mix tastes just like the Five Guys cajun seasoning!
  • ✔️ Healthier Than The Real Thing:  You can either oven bake the fries or cook in the air fryer - so much healthier than the original deep fried version.
  • ✔️ Uses Store Cupboard Ingredients: Just a few potatoes and spices, throw in a bit of oil and you are good to go.
  • ✔️ Allergy Friendly: My copycat version is peanut oil free, as well as naturally being gluten free and dairy free.

🥘 Ingredients You Will Need

✋ Double check all packaging for allergens ✋

Ingredients laid out for five guys cajun fries.
  • Potatoes - Five guys use fresh potatoes and cut them fresh on-site every day, no frozen chips in sight! The best potatoes to use for fries are either Maris Piper or Russet, as they have a high starch content, which helps them crisp up nicely when fried. Avoid waxy potatoes, as these tend to not crisp up as well. 
  • Spice Mix- This contains a mixture of paprika, garlic powder, cayenne pepper, onion powder, thyme, salt & back pepper to create the cajun seasoning blend.
  • Oil - Peanut oil is the cooking oil of choice in the Five Guys restaurants. To ensure these fries are nut-free I haven’t used peanut oil and instead have used olive oil. If you don’t suffer from nut allergies you can use peanut oil instead.

Scroll to the recipe card at the bottom of this post for quantities.

🤔 Can I Adjust The Spice Level?

Yes! That's the beauty of making it yourself! If you're cooking for kids or people who don't like too much spice, just use a third of the spice mix for a milder kick.

✏️ How To Make Cajun Fries

⬇️ Here you will find an overview of how to make the recipe. For full information on ingredients and quantities please see the recipe card at the bottom of the page ⬇️

Potatoes being cut into fries on a chopping board with a knife.

Step 1: Start by cutting the potatoes into French fries. Turn the potato on its side and cut it into slices lengthways, then cut those slices into French fries.

Step 2: Next, mix all of the spice ingredients together in a small bowl.

Step 3: Place the chopped potatoes into a large mixing bowl, add the cajun seasoning and olive oil, then mix everything together with a spoon until the seasoning has covered all of the fries.

potatoes chopped into fries and coated in cajun seasoning in a roasting tray.

Step 4a: Cooking In The Oven - If baking the fries in the oven, put the seasoned fries onto a baking sheet in a single layer (cook on two trays or in batches if you need to) & bake in a hot oven for around 30-35  minutes until golden brown. 

Turn the fries halfway through cooking with a spatula to get that gorgeous crispiness all over.

Step 4b: Cooking In The Air Fryer - To make in the air fryer, Put the fries in a single layer in the preheated air fryer basket and bake for around 15-20 minutes, shaking the basket a few times whilst cooking.

Again, you may need to do this in batches to avoid overcrowding the air fryer basket.

💡 Tips & Tricks

  • ✔️ When making the fries, try and cut them all the same size as much as possible to ensure they cook evenly and at the same time.
  • ✔️ Use the right type of potato. Russet potatoes or Maris Pipers are the best choice for making Cajun fries because they have a high starch content, which makes them crispy.
  • ✔️ Whether you're using an oven or air fryer, make sure you spread the fries out in a single layer for best results. If you're using an oven, use multiple baking trays or make two batches in the air fryer. This will help the fries crisp up evenly and prevent them from becoming soggy and clumping together.
  • ✔️ This recipe has been tested using my Instant Pot Vortex Plus Clear Cook air fryer and the temperatures and timings are specifically tailored for this model. Please be aware that various air fryer brands may cook differently, so I would advise you to regularly check to see how the fries are cooking for best results.
  • ✔️ For extra spice, save a bit of the seasoning to sprinkle over the fries once they are cooked.
  • ✔️ Serve with your favourite dipping sauce. A simple garlic aioli or spicy ketchup could work well.

🥡 Storage & Reheating

I would recommend eating these copycat cajun fries straight away fresh from the oven as this is when they will be their most crispy.

Leftover fries can be stored in an airtight container in the fridge for up to 3 days and reheated in the oven at 180˚C Fan / 350˚ F for around 10-15 minutes until warmed through, or in the air fryer for 4-5 mins.

Burger in a sesame seed topped bun in foil and a bowl of fries on a grey board with a pot of ketchup and. mayo.

🍴 Serving Suggestions

Well, you can’t have fries without a burger! So go for the full Five Guys experience and make my Five Guys Burger as well, or why not serve alongside this slow cooked BBQ beef brisket piled high in a bun?

A side of dairy free coleslaw is also great with a burger and fries.

For a healthier version of fish & chips, serve the fries alongside this sea bass in the air fryer and minted mushy peas.

They also taste great with these crispy egg free chicken tenders too!

💬 Recipe FAQs

Are Five Guys cajun fries gluten free?

Yes, both the original and cajun fries at the Five Guys restaurants are gluten free. My recipe is also gluten free.

Are Five Guys cajun fries spicy?

I would class them as medium to hot on the spice level, which in my opinion is just about the right level of spice kick! If you are making this recipe and prefer them a little tamer just use half the amount of spice blend.

📖 More Delicious Potato Dishes..

Check out these other tasty recipes using the humble potato!

  • crushed potatoes on a white plate garnished with parsley.
    Air Fryer Crispy Smashed Potatoes
  • slow cooker roast potatoes in a bowl with a spoon. The bowl is sat on a hessian place. mat, garnished with parsley.
    Slow Cooker Roast Potatoes
  • close up of salmon and sweet potato fishcakes on a plate with some salad, a lemon wedge and a pot of tartare sauce.
    Easy Salmon & Sweet Potato Fishcakes
  • close up shot of mini hasselback potatoes garnished with parsley.
    Baby Hasselback Potatoes With Garlic & Rosemary

If you loved this recipe, please leave me a 5🌟 rating or comment below. I really do appreciate it. 😊

📖 Recipe

Close up of cajun fries in a small metal bucket.

Copycat Five Guys Cajun Fries (Oven or Air Fryer)

These Copycat Five Guys Cajun Fries can be cooked in the oven or air fryer and taste like the real thing! They are generously seasoned with my cajun spice mix & the best news is they are peanut oil free!
5 from 4 votes
Print Pin
Prep Time: 10 minutes minutes
Cook Time: 30 minutes minutes
Total Time: 40 minutes minutes
Servings: 4 servings
Calories: 209kcal
Author: Lauren Woodger

Equipment

  • Baking Tray
  • Metal Spatula
  • Chopping board
  • Sharp knife
  • Mixing bowl
  • Air Fryer optional

Ingredients

  • 4 medium potatoes chopped into fries

Spice Mix

  • 1 tablespoon paprika
  • 1½ teaspoon garlic powder
  • 1 teaspoon cayenne pepper
  • 1 teaspoon onion powder
  • 1 teaspoon thyme
  • 1 teaspoon black pepper
  • ½ teaspoon salt
  • 1 tablespoon olive oil
Metric - Us Customary

Instructions

  • Preheat the oven or air fryer to 200˚C Fan / 390˚ F.
  • To make the potatoes into French fries, turn the potato on its side and cut into slices lengthways, then cut the slices into French fries.
  • Next, mix all of the spice ingredients together in a small bowl.
  • Place the chopped potatoes into a large mixing bowl, add the cajun seasoning and olive oil, then mix everything together with a spoon until the seasoning has covered all of the fries.

Cooking In The Oven

  • If baking in the oven, put the fries onto a baking sheet in a single layer & bake in a hot oven for around 30-35  minutes until brown. Turn the fries halfway through cooking with a spatula to get that gorgeous crispiness all over.

Cooking In The Air Fryer

  • To make in the air fryer, put the fries in a single layer in the air fryer basket and bake at 200˚C / 390˚ F for around 15-20 minutes, shaking the basket a few times whilst cooking.

Notes

Tips & Tricks
  • When making the fries, try and cut them all the same size as much as possible to ensure they cook evenly and at the same time.
  • Use the right type of potato. Russet potatoes or Maris Pipers are the best choice for making Cajun fries because they have a high starch content, which makes them crispy.
  • Whether you're using an oven or air fryer, make sure you spread the fries out in a single layer for best results. If you're using an oven, use multiple baking trays or make two batches in the air fryer. This will help the fries crisp up evenly and prevent them from becoming soggy and clumping together.
  • This recipe has been tested using my Instant Pot Vortex Plus Clear Cook air fryer and the temperatures and timings are specifically tailored for this model. Please be aware that various air fryer brands may cook differently, so I would advise you to regularly check to see how the fries are cooking for best results.
  • For extra spice, save a bit of the seasoning to sprinkle over the fries once they are cooked.
  • Serve with your favourite dipping sauce. A simple garlic aioli or spicy ketchup could work well.

Nutrition

Calories: 209kcal | Carbohydrates: 40g | Protein: 5g | Fat: 4g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Sodium: 310mg | Potassium: 976mg | Fiber: 6g | Sugar: 2g | Vitamin A: 1117IU | Vitamin C: 43mg | Calcium: 38mg | Iron: 2mg

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About Lauren Woodger

I’m Lauren, the creator of The Scatty Mum. As a mum to two kids with a history of food allergies and intolerances, I know how tough it can be to cook meals that are both safe and delicious.

That’s why I share easy, allergy-friendly recipes to help families enjoy stress-free mealtimes.

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Hey, I'm Lauren!

I’m Lauren, the creator of The Scatty Mum.

As a mum to two kids with a history of food allergies, I know how challenging mealtimes can be when you’re trying to please everyone.

That’s why I share easy, family-friendly recipes and meal planning tips to help busy families enjoy tasty, stress-free dinners that work for all dietary needs.

MORE ABOUT ME

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