Cajun French Fries
Cajun french fries come out crisp on the edges, fluffy in the center, and coated in a smoky, spicy seasoning. These homemade cajun fries are easy to bake in the oven.
Prep
30 min
Cook
35 min
Total
1 hr 5 min
Servings
4 servings
Ingredients
Instructions
- 1
Preheat the oven to 425°F and line a large baking sheet with parchment paper. Cut the potatoes into thin fry-shaped strips, aiming for similar thickness so they cook evenly.
- 2
Place the cut potatoes in a bowl of cold water and let them soak for at least 20 minutes. This helps remove excess starch so the fries brown instead of steaming.
- 3
Drain the potatoes and dry them very well with clean towels. Any moisture left behind can keep the fries from turning crisp.
- 4
In a large bowl, toss the potatoes with olive oil, cornstarch, and salt until every piece has a light coating. The cornstarch creates a thin crust that helps make crispy cajun fries in the oven.
- 5
Spread the fries in a single layer on the baking sheet with space between them. Bake for 20 minutes, then flip the fries once the bottoms look golden and slightly crisp.
- 6
Continue baking for another 15 to 20 minutes until the edges are deep golden brown and the centers feel tender when pierced with a fork.
- 7
While the fries are hot, mix the smoked paprika, garlic powder, onion powder, cayenne, oregano, thyme, and black pepper in a small bowl. Sprinkle the seasoning over the fries and toss gently so the spices coat every side evenly.
- 8
Serve immediately while the fries are still hot and crisp. For extra heat, add another pinch of cayenne before serving.
Nutrition (per serving)
240 kcal
Calories
5g
Protein
41g
Carbs
7g
Fat
5g
Fiber
590mg
Sodium
Cajun french fries come out crisp on the edges, fluffy in the center, and coated in a smoky, spicy seasoning that sticks to every bite. These homemade cajun fries are easy to bake in the oven, which makes them perfect for burgers, sandwiches, or a quick snack when regular fries feel a little plain.
Ingredients
For the Fries
- 3 large russet potatoes
- 2 tablespoons olive oil
- 1 tablespoon cornstarch
- 1 teaspoon salt
For the Cajun Seasoning
- 1 teaspoon smoked paprika
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- ½ teaspoon cayenne pepper
- ½ teaspoon dried oregano
- ½ teaspoon dried thyme
- ½ teaspoon black pepper
Russet potatoes work especially well here because they bake up crisp while staying soft inside. If you want more detail on why they are ideal for fries, this guide to russet potatoes and cooking methods explains the texture difference clearly.

How To Make It
Preheat the oven to 425°F and line a large baking sheet with parchment paper. Cut the potatoes into thin fry-shaped strips, aiming for similar thickness so they cook evenly.
Place the cut potatoes in a bowl of cold water and let them soak for at least 20 minutes. This helps remove excess starch so the fries brown instead of steaming.
Drain the potatoes and dry them very well with clean towels. Any moisture left behind can keep the fries from turning crisp.
In a large bowl, toss the potatoes with olive oil, cornstarch, and salt until every piece has a light coating. The cornstarch creates a thin crust that helps make crispy cajun fries in the oven.
Spread the fries in a single layer on the baking sheet with space between them. Bake for 20 minutes, then flip the fries once the bottoms look golden and slightly crisp.
Continue baking for another 15 to 20 minutes until the edges are deep golden brown and the centers feel tender when pierced with a fork.
While the fries are hot, mix the smoked paprika, garlic powder, onion powder, cayenne, oregano, thyme, and black pepper in a small bowl. Sprinkle the seasoning over the fries and toss gently so the spices coat every side evenly.
Serve immediately while the fries are still hot and crisp. For extra heat, add another pinch of cayenne before serving.
Why These Cajun Fries Stay Crispy
A few small steps make a big difference with oven baked cajun fries. Soaking the potatoes removes surface starch, while drying them thoroughly helps the edges brown instead of soften. The light coating of cornstarch also creates a crisp outer layer without deep frying.
Another key is spacing the fries apart on the pan. Crowded potatoes trap steam, which leads to softer fries. Using two baking sheets is often better than squeezing everything onto one.
Many home cooks also like adding the seasoning after baking instead of before. Cajun spices can darken quickly in a hot oven, so tossing the fries while they are fresh out of the oven keeps the flavor bold without tasting burnt.
Tips for Spicy Fries
- Cut the fries evenly so thinner pieces do not burn before the thicker ones finish cooking.
- A dark metal baking sheet usually gives better browning than glass pans.
- If the fries seem pale after baking, leave them in for another 3 to 5 minutes until the edges turn noticeably darker.
- For extra smoky flavor, use smoked paprika instead of regular paprika.
- If you enjoy heavily seasoned fries, double the spice mix and add more after tasting.
A common tip is to pair spicy fries with a cool dipping sauce. Ranch, garlic aioli, or even a simple mix of mayo and ketchup balances the heat well. If you like spicy snack recipes, this cajun fries seasoning recipe also shares extra seasoning ideas.

Serving Ideas
Cajun fries pair especially well with burgers, fried chicken sandwiches, wraps, and barbecue meals. They also work as a party snack with dipping sauces set out on the side.
For a fuller appetizer spread, serve them alongside onion rings, mozzarella sticks, or loaded potato skins. The smoky seasoning also tastes good sprinkled over roasted vegetables or homemade potato wedges.
FAQ
Can I make cajun french fries in the air fryer?
Yes. Cook the fries at 380°F for about 15 to 20 minutes, shaking the basket halfway through. The fries should look golden and crisp around the edges before adding the seasoning.
Why are my homemade cajun fries soggy?
The most common cause is excess moisture. Make sure the potatoes are dried completely after soaking, and avoid overcrowding the baking sheet so the fries roast instead of steam.
Can I use frozen fries instead of fresh potatoes?
Yes. Bake frozen fries according to the package directions, then toss them with the Cajun seasoning while they are still hot. This shortcut works well for quick spicy fries.
How spicy are these fries?
They have moderate heat from the cayenne pepper, but the spice level is easy to adjust. For milder fries, reduce the cayenne to ¼ teaspoon or leave it out completely.
Can I make the seasoning ahead of time?
Absolutely. Store the Cajun seasoning in a sealed jar for up to 3 months. It can also be used on chicken, roasted vegetables, or popcorn.



