Baked Sweet Potato Fries

Name: Baked Sweet Potato Fries With Spicy Ketchup
Prep time: 5 min
Cook time: 30 min
Total time: 35 min
Ingredients: 3-4 medium sweet potatoes, cut into matchsticks; 1 tbsp cornstarch; 2 tbsp olive oil; 1/4 tsp salt; 1/4 tsp pepper; 1 tsp garlic powder; 1/2 tsp paprika; 1/4 cup ketchup; 1/8 teaspoon garlic powder; 1/8 teaspoon onion powder; 1/4 teaspoon paprika; 1/8 teaspoon chili powder; 1 teaspoon hot sauce; 1/4 teaspoon Worcestershire; 1/2 teaspoon sriracha

January 2, 2024
5 from 5 votes
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These Baked Sweet Potato Fries are life-changing! Thinly sliced sweet potatoes are tossed in seasonings and my secret ingredient to keep them crisp! They turn out super crispy even though they are baked thanks to my tips below!!

Looking for more delicious, guilt-free, & comforting snacks? These Homemade Spicy Pita Chips, Healthy Greek Yogurt Guacamole, Baked French Fries, and Crispy Baked Honey-Chipotle Chicken Wings are all a win!

Sweet potato fries on a plate next to a small serving of spicy ketchup.

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The Best Baked Sweet Potato Fries

Warning: These baked sweet potato fries are addictive. It is highly recommended you double or triple this recipe to have plenty of sweet potato fries to share!

These Sweet Potato Fries are savory, crispy and perfectly seasoned! Caramelized and crispy on the outside & light and fluffy on the inside. Who can pass up on sweet potato fries that sound THAT good?

The best part is you will be eating these fries in less than 35 minutes, start to finish!

I love Sweet Potatoes because they are loaded with benefits. One sweet potato packs your daily requirement of Vitamin A. They are also nutrient-rich in Vitamin C and calcium!

They are crispy, crunchy, and best of all HEALTHY!

Hand with two fries in it dipping them into ketchup.

Ingredients Needed

Sweet Potatoes: You can peel them or scrub them well and keep the peel on! Cut them into small matchsticks.
Cornstarch: Cornstarch will help release some moisture and the potatoes will get super crispy!
Olive Oil: I like to use olive oil to coat my sweet potatoes before roasting them. You can also use a nonstick spray or avocado oil.
Salt & Pepper: To taste!
Garlic Powder: Garlic powder adds a little bit extra flavor and aroma.
Paprika: For a little kick and depth of flavor!
Spicy Ketchup: To make a homemade spicy ketchup, you can just cook together ketchup, garlic powder, onion powder, paprika, chili powder, hot sauce, Worcestershire sauce and sriracha! These ingredients make a perfectly savory, spicy, and tangy ketchup to pair with these sweet potato fries.

How to make Baked Sweet Potato Fries

Sweet Potatoes

Preheat and Prep: Preheat the oven to 425 degrees. Line a baking sheet with parchment paper and spray with nonstick cooking spray.
Prep the Potatoes: In a medium bowl, toss together sweet potato fries, olive oil, cornstarch, salt, pepper, onion powder, and paprika. Make sure everything is evenly coated.

Sweet potato matchsticks in a bowl with cornstarch.

Bake: Spread the sweet potato fries onto the prepared baking sheet in an even layer. Place in the oven and bake for 15 minutes. Turn and cook for an additional 10 minutes or until they get crispy.

Sweet potato fries on a baking sheet lined with parchment paper.

Serve: Serve immediately with a side of spicy ketchup for dipping if desired!

Spicy Ketchup

Make the Spicy Ketchup: Add all of the ingredients to a small saucepan. Bring to a light simmer and cook for 5 minutes. Serve alongside sweet potato fries.

Tips For The Best Sweet Potato Fries

The number of sweet potatoes you use in this recipe will depend on how big your sweet potatoes are! A good rule of thumb is 1 medium potato per person.
I like to keep the skin on my sweet potato fries, but you can definitely peel them before cutting them if you prefer! I like to cut my potatoes about a 1/4 inch thick for best results.
These sweet potato fries are served with spicy ketchup which is the perfect pairing for this sweet potato dish.

dipping sweet potato fries in homemade spicy ketchup

Serving Suggestions

Sweet potato fries are a great snack to have on their own with spicy ketchup or ranch. But they are also a wonderful side dish that can go with so many different meals! Sometimes, the perfect meal is sweet potato fries and a salad, am I right? Here are some of my favorite things to pair with oven baked sweet potato fries:

Frequently Asked Questions

How do I make my sweet potato fries crunchy in the oven?

Sweet potato fries are harder to get crispier in the oven than regular potatoes. First, you want to cut your fries into pretty thin pieces, about 1/4 inch in thickness. The thicker the fries, the less crispy they will become!
To keep them crispy, I like to place them in a single layer on a baking sheet. Make sure not to overcrowd them or else they will steam and not crisp up!
It is important to add the cornstarch in this recipe, too. This will do the trick to really crisp up the fries in the oven!

Do I need to soak the sweet potatoes fries before cooking them?

Some people soak their potatoes before cooking them to extract the starch and increase the crispiness. This typically works better for regular potatoes which are higher in starch. It is not necessary to soak sweet potatoes prior to baking them, since they don’t have as much starch! And in general, the less moisture the better.

Can I store sweet potato fries in the refrigerator?

If you have any leftover sweet potato fries, you can store them in the refrigerator in an airtight container or zip lock bag for 3-5 days. When you are ready to reheat, place on a baking sheet and warm up the fries in a 425 degree oven for 10 minutes or until crispy! Or, you can pop these in an air fryer or toaster oven to make sure they stay crispy!

Crispy sweet potato fries on a plate with a side of ketchup.

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