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Sweet Potato Fries

Crispy on the outside, creamy on the inside — these air fryer sweet potato fries are a healthy alternative to deep-fried. The cornstarch trick guarantees they actually get crispy.

Easy Lower Air Fry air fry basket
Home › Ninja Dual Oven Recipes: Air Fryer Mastery › Vegetables & Sides › Sweet Potato Fries
📋 Prep: 15 min 🔥 Cook: 15 min ⏱️ Total: 32 min 🍽️ Serves: 3-4 📊 Easy
Cooking Parameters
15 MIN15 MIN380°F2 MINLOWER AIR FRYPREPCOOKTEMPREST
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What You'll Need
Dish & pan requirements for your Ninja Double Stack XL
Zone 2 • Lower Rack
Air Fry Basket
Size: air fry basket
✅ Fits perfectly
✅ Guaranteed Fit — Max dish size per rack: 12"W × 11.5"D × 4"H. All our recipes use dishes that actually fit your Ninja Double Stack XL DCT401.
💡 Use the air fry basket. Do not overcrowd — sweet potatoes need space. Cook in batches for best results. The cornstarch is the secret weapon for crispiness. Use a solid pan (not the basket) — this recipe contains liquids.
vegan gluten-free dairy-free
🥘 Ingredients
Main
  • 2 sweet potatoes (large, peeled or scrubbed)
  • 1 tbsp cornstarch
  • 1 tbsp olive oil
Seasoning
  • 1/2 tsp smoked paprika
  • 1/2 tsp garlic powder
  • 1/2 tsp salt
Serving
  • chipotle mayo (for dipping, optional)
📝 Instructions
  1. Cut sweet potatoes into 1/4-inch thick fries. Try to keep them uniform. Shared 💡 A mandoline makes perfect uniform fries. Thicker fries will be softer, not crispier.
  2. Soak cut fries in cold water for 30 minutes. Drain and pat completely dry. Shared 💡 Soaking removes surface starch — less starch equals crispier fries.
  3. Toss fries with cornstarch in a dry bowl until lightly coated. Shake off excess. Shared 💡 Cornstarch absorbs moisture and creates a crispy shell. Do not skip this step.
  4. Drizzle with olive oil and toss with paprika, garlic powder, and salt. Shared 💡 Season after the cornstarch, not before, for best adhesion.
  5. Preheat Ninja on Air Fry at 380°F for 3 minutes. Lower Oven 💡 Preheating jump-starts the crisping process immediately.
  6. Place fries in the pan in a single layer. Air Fry at 380°F for 8 minutes. Lower Oven 💡 No overlapping — fries that touch will steam and become soggy.
  7. Shake the pan well. Air Fry at 380°F for 6-7 more minutes until golden and crispy. Lower Oven 💡 Sweet potato fries darken faster than regular fries — golden brown is the target, not deep brown.
💡 Ninja Tips

Sweet potatoes have more sugar and moisture than regular potatoes — they burn faster and are harder to crisp. The cornstarch + soak method is essential. Do not expect deep-fryer level crunch; these are crispy but tender.

Scaling: To double: cook in batches — do not crowd. To halve: use 1 sweet potato.

Servings: 1
Scale:
📊 Nutrition (per serving)
Calories160 cal
Protein2g g
Carbohydrates30g g
Total Fat5g g
Dietary Fiber5g g
Sugars8g g
Sodium320mg mg
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Not affiliated with SharkNinja. Ninja® and Double Stack™ are trademarks of SharkNinja Operating LLC.

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