Cajun Roasted Sweet Potatoes

Featured in: Quick Snacks & Starters

This dish features sweet potato rounds expertly coated with a blend of Cajun seasoning, smoked paprika, garlic, and thyme. Roasted at high heat until crispy edges form, the slices develop a vibrant color and bold flavors. Garnished with fresh parsley and lemon wedges, this side combines warmth and brightness, perfect alongside grilled dishes or as a satisfying snack. Preparation is simple, requiring minimal hands-on time and common kitchen tools. Optional broiling adds extra crunch for texture contrast.

Updated on Tue, 23 Dec 2025 11:17:00 GMT
Golden-brown Cajun roasted sweet potatoes, perfectly seasoned and ready for serving with fresh parsley. Save
Golden-brown Cajun roasted sweet potatoes, perfectly seasoned and ready for serving with fresh parsley. | circuitdish.com

The first time I made these Cajun roasted sweet potatoes was on a rainy Tuesday when I needed something to brighten up a simple dinner. The smoky spices hitting the hot oven filled the whole apartment with this incredible warmth that made everyone wander into the kitchen.

I brought these to a friends backyard barbecue last summer, and honestly, they were the first thing to disappear. People kept asking what I put on them, and the best part was how simple the answer was.

Ingredients

  • Sweet potatoes: Two large ones give you enough for four people, and slicing them into half inch rounds means they cook through while getting those gorgeous crispy edges
  • Olive oil: Two tablespoons helps the spices stick and promotes even browning in that high heat
  • Cajun seasoning: One and a half teaspoons brings that signature kick, but taste your blend first since some brands run hotter than others
  • Smoked paprika: Half a teaspoon adds this deep, campfire flavor that makes people think you spent way more effort on these than you actually did
  • Garlic and onion powder: These savory basics round out the flavor profile so every bite tastes complete
  • Dried thyme: Just a quarter teaspoon adds this earthy, herbal note that balances all the heat
  • Salt and black pepper: Half a teaspoon of salt and a quarter teaspoon of pepper make all those spices pop
  • Cayenne pepper: A tiny pinch if you like to live dangerously, but totally optional if you want to keep things family friendly
  • Fresh parsley: Two tablespoons chopped adds this fresh, green finish that makes the plate look like you actually tried
  • Lemon wedges: Serving these on the side lets people add their own bright tangy note if they want

Instructions

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Get your oven ready:
Preheat to 220 degrees Celsius and line a baking sheet with parchment paper so cleanup becomes basically nothing
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Coat the potatoes:
Toss those sweet potato slices in olive oil until every piece is glistening, and take your time here because even coverage means even seasoning
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Mix your spice blend:
Combine all those seasonings in a small bowl so you can distribute them evenly instead of dumping everything on one potato
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Season everything:
Sprinkle the spice mixture over the oiled potatoes and toss them again until they are wearing that beautiful red coating
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Arrange for success:
Lay the slices in a single layer on your prepared baking sheet, giving them room to breathe so they actually crisp up instead of steam
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Start the roast:
Slide them into the hot oven for 15 minutes to get that initial browning going
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Flip and finish:
Turn each slice over and roast for another 12 to 15 minutes until the edges are golden and slightly crispy
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Finish and serve:
Transfer everything to a platter, scatter parsley on top, and set out those lemon wedges like you are your own restaurant
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| circuitdish.com

These became my go to for meal prep Sundays because they reheat beautifully and somehow taste even better the next day when those spices have had more time to settle in.

Making Them Your Own

The beauty of this recipe is how adaptable it is. Sometimes I will add a tablespoon of maple syrup to the oil before tossing if I want that sweet and spicy thing going on, especially when serving them alongside something savory like black beans.

Perfect Pairings

These potatoes are incredibly versatile on the plate. They are perfect alongside grilled chicken or fish, but honestly, I have eaten them as a main dish with a simple green salad more times than I care to admit.

Storage And Reheating

Leftovers keep well in an airtight container for up to four days. Reheat them in a 200 degree Celsius oven for about 10 minutes to bring back that crispy texture, or just eat them cold which I have definitely done while standing in front of the fridge at midnight.

  • Air fryers work amazing for reheating and make them even crispier than the first time around
  • Do not microwave them unless you want sad, soft potatoes
  • Double the batch if you are feeding a crowd because they will go fast
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Crispy-edged Cajun roasted sweet potatoes, a flavorful side dish with smoky paprika and a spicy kick. Save
Crispy-edged Cajun roasted sweet potatoes, a flavorful side dish with smoky paprika and a spicy kick. | circuitdish.com

These roasted sweet potatoes have become one of those recipes I can make without even thinking, the kind that feels like home no matter what else is happening in the world.

Recipe FAQs

What is the best way to slice sweet potatoes for even cooking?

Peeling and slicing sweet potatoes into 1/2-inch rounds ensures uniform roasting and a perfect balance between tender interior and crispy edges.

Can I adjust the spice level of the Cajun seasoning?

Yes, increase or reduce the cayenne pepper to control the heat according to your preference without compromising the flavor balance.

How do I achieve extra crispiness on the sweet potato slices?

After roasting, briefly broil the slices for 2-3 minutes to add a crunchy finish while keeping the inside soft and tender.

What sides pair well with these Cajun-spiced potatoes?

These vibrant potatoes complement grilled meats, burgers, or can be enjoyed as a spiced snack alongside fresh salads.

Are these sweet potatoes suitable for special diets?

Yes, they are vegan and gluten-free, making them suitable for a variety of dietary preferences without common allergens.

Cajun Roasted Sweet Potatoes

Oven-roasted sweet potato slices tossed in Cajun spices and herbs for a flavorful side or snack.

Prep Time
10 minutes
Time to Cook
30 minutes
Total Duration
40 minutes
Created by Luke Morris


Skill Level Easy

Cuisine American

Portions 4 Serves

Diet Preferences Plant-Based, No Dairy, Wheat-Free

What You'll Need

Vegetables

01 2 large sweet potatoes (approximately 28 ounces), peeled and sliced into 1/2-inch rounds

Seasonings

01 2 tablespoons olive oil
02 1 1/2 teaspoons Cajun seasoning
03 1/2 teaspoon smoked paprika
04 1/2 teaspoon garlic powder
05 1/4 teaspoon onion powder
06 1/4 teaspoon dried thyme
07 1/2 teaspoon salt
08 1/4 teaspoon freshly ground black pepper
09 Pinch of cayenne pepper (optional)

Garnish (optional)

01 2 tablespoons chopped fresh parsley
02 Lemon wedges

How To Make It

Step 01

Preheat Oven and Prepare Pan: Preheat the oven to 425°F and line a large baking sheet with parchment paper.

Step 02

Coat Sweet Potatoes with Oil: In a large bowl, toss the sweet potato slices with olive oil until evenly coated.

Step 03

Combine Seasonings: Mix Cajun seasoning, smoked paprika, garlic powder, onion powder, dried thyme, salt, black pepper, and cayenne if desired in a small bowl.

Step 04

Season Sweet Potatoes: Sprinkle the seasoning blend over the sweet potatoes and toss thoroughly to coat each slice.

Step 05

Arrange on Baking Sheet: Place the sweet potato slices in a single layer on the prepared baking sheet.

Step 06

Roast Sweet Potatoes: Roast for 15 minutes; flip each slice, then continue roasting for an additional 12 to 15 minutes until edges are golden and slightly crisp.

Step 07

Serve and Garnish: Transfer the sweet potatoes to a serving platter, garnish with chopped parsley, and serve with lemon wedges as desired.

Gear Needed

  • Large bowl
  • Baking sheet
  • Parchment paper
  • Sharp knife
  • Spatula

Allergy Details

Always review every item for possible allergens. Ask your doctor if unsure.
  • Contains no common allergens. Verify spice blends for hidden allergens or contamination.

Nutrition per Serving

Details are for reference only and don't take the place of professional guidance.
  • Caloric Content: 160
  • Fats: 5 g
  • Carbohydrates: 27 g
  • Proteins: 2 g