This crispy classic snack, Japanese Sweet Potato Fries, is easy to make and tastes delicious with a perfect blend of spiciness and sweetness. Toss them in the air fryer with some flavorful spices, and ENJOY—these spicy, crispy fries.
I wanted to make these fries in the air fryer because it's convenient and easy to handle. Recently, I have switched from conventional deep-fried dishes to air fryer recipes.
This one has been the most successful(and Chinese French Fries), and I'm excited to share this recipe with you all.
I hope you like it too. Feel free to customize and tweak the recipe to your preference.
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Why You'll Love This Recipe
⭐️ A fabulous family's favorite dipping sauce!
⭐️ You can easily adjust the heat to your preference!
⭐️ Best of all, it's super easy to make.
What Are Japanese Sweet Potatoes?
It's a variety of sweet potato that's native to Japan. It usually has deep purple skin and pale cream-colored flesh that turns creamy yellow once cooked.
You can find them in most grocery stores and Asian or Indian stores.
Ingredients
- Japanese Sweet Potatoes have purple skin and are usually more petite and slender than regular sweet potatoes. They can be cut into long strips, using a mandolin or food processor for uniform cuts.
- Olive Oil: You can use other cooking oils like coconut or grapeseed.
- Spice Mix: Use a blend of roasted red pepper flakes, paprika, and ground black pepper. Adjust the quantities according to your heat tolerance.
How To Make Japanese Sweet Potato Fries?
- Toss the sweet potato strips with olive oil, salt, pepper, red pepper flakes, and paprika in a large bowl.
- Toss to coat the sweet potato strips with the spice blend.
- Set your air fryer to 375°F and place the fries in a single layer. Air fry for 15-20 minutes, shaking halfway through.
- Remove from the air fryer and serve immediately with a spicy dipping sauce.
♨️How To Adjust The Spice Level?
These roasted sweet potatoes are moderately hot, meaning there is some noticeable spiciness, but the heat is balanced with the sweet potatoes' natural sweetness.
You can make these sweet potatoes mild or medium-hot by simply adjusting the quantity of the roasted red flakes.
If you are unsure how much roasted red pepper you need for this recipe, start with a minimal amount and add more as needed.
Recipe Tips & Tricks
- Cutting is Key: Slice the sweet potatoes evenly into thin strips. This ensures a uniform texture and crispy exterior, essential for achieving the best results.
- Tossing Halfway Through Since we use an air fryer basket, it is essential to shake it a couple of times during cooking, even to heat it. Otherwise, you may end up with burnt or uncooked fries.
- Marination: For the best flavors, allow the fries to marinate for 10 to 15 minutes.
Storage & Reheating
These fries are best eaten as soon as they are made. Once they cool down, the sweet potato fire loses its crispiness. However, you can follow these steps to store them longer.
- Reheating: Reheat in the oven or air fryer at 375°F for 5 to 7 minutes, shaking the basket halfway through for even crispiness.
- Refrigerator: Store spicy Japanese fries in an airtight container for 3 to 4 days.
- Freezing: To freeze efficiently, spread the fries on a baking sheet and freeze for 1 to 2 hours until they have a solid texture. Then transfer them to a freezer-safe bag. You can store them for up to two months.
What To Serve With?
- Dips: Try aioli sauce, spicy mayo, or your favorite dip (check out these dipping recipes for more ideas).
- Grilled Meat: Perfect with grilled seafood or meat.
- Burgers and Sandwiches: These Japanese sweet potato fries are great for any burger or sandwich.
- Salads: Pair with a garden-fresh salad or a Caesar salad for a delightful meal.
FAQs
Yes, you can leave the skin on or remove it according to your preference. If you're leaving the skin on, thoroughly wash the sweet potatoes under running water to remove dirt.
Absolutely! The same recipe can be used in the oven. Preheat the oven to 400°F and bake for about 25 to 30 minutes. For a crispy texture, broil the fries for the last 2 to 3 minutes.
Ensure the fries are evenly coated with spices, seasonings, and oil. Do not overload the air fryer basket.
📖 Recipe
Japanese Sweet Potato Fries
Ingredients
- 2 Japanese sweet potatoes
- 1 tablespoon olive oil
- 1 teaspoon sea salt
- ½ teaspoon black pepper
- ½ teaspoon garlic powder
- ½ teaspoon paprika optional
- ½ teaspoon roasted red pepper flakes
Instructions
- Wash and peel the sweet potatoes.
- Cut them into thin, long, even-sized fries.
- To a large bowl, add the sweet potato strips, olive oil, salt, black pepper, roasted red pepper flakes, and paprika.
- Toss until the sweet potato strips coats the spices.
- Set your air fryer to 375°F.
- Place the sweet potato fries in the air fryer basket in a single layer.
- Air fry for 15-20 minutes or until the edges turn crispy, shaking the basket halfway through.
- Remove the fries from the air fryer and serve immediately with your spicy dipping sauce.
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