The Best Crispy Sweet Potato Fries

This recipe makes perfect Crispy Sweet Potato Fries by adding one simple step before deep frying them until they are golden and crispy.

Top view of sweet potato fries on a pie plate lined with newspaper on a wood background.

Have you ever tried deep frying sweet potato fries only to have them come out either burnt tasting or simply soggy?  That is what has happened to me every time I attempted to fry them.

I have a great Baked Sweet Potato Wedges recipe, but my husband loves homemade fries fried in oil.  Not the healthiest route, but oh so good.  I have to admit, I love them, too.

Side view of sweet potato fries  with a creamy dip on a pie plate lined with newspaper.

I am beyond happy that I have finally found a sweet potato fry recipe that is a forever keeper!  The secret to the elusive crispiness?  Dunking them in a cornstarch slurry.  I know that might sound odd to some of you, but trust me on this one.  These fries come out gorgeous and golden in all their crispy glory.  You will not be disappointed!

HOW TO MAKE CRISPY SWEET POTATO FRIES

By adding one simple step before frying, you can have crispy sweet potato fries every time! All you have to do is slice your sweet potatoes to 1/4-inch thickness. Dip the fries in a cornstarch and lemon lime soda slurry, then allow the excess to drip off. Fry the fries at 375 degrees for 8-9 minutes. See below for detailed recipe instructions.

WHAT SEASONING SHOULD YOU PUT ON SWEET POTATO FRIES?

Sweet potato fries go well with both sweet and savory seasonings. I like to use plain kosher salt, but sweet potatoes are also delicious with a chili powder and paprika mix or cinnamon sugar.

Collage of step by step images showing sweet potato fries being made.

WHAT TO DIP SWEET POTATO FRIES IN

Sweet potato fries are delicious on their own, but are also super tasty with a dip! Try dipping your sweet potato fries in one of these dip choices: 

  • ketchup
  • honey mustard
  • ranch
  • pesto
  • smoky fry dip (recipe below)

WHY CORNSTARCH?

Dipping the sweet potato fries in a cornstarch slurry is what makes these fries crisp up sp well. The cornstarch on the outside crisps up while the inside cooks through. The cornstarch helps the fries to be light and crispy without being greasy.

Closeup top view of sweet potato fries on a pie plate lined with newspaper on a wood background.

MORE SWEET POTATO RECIPES

Looking for more ways to cook your sweet potatoes? Here are some poular recipes from the archives:


If you try this recipe, I'd love to know what you think in the comments below. Enjoy!

4 servings

Crispy Sweet Potato Fries


This recipe makes perfect Crispy Sweet Potato Fries by adding one simple step before deep frying them until they are golden and crispy.

  prep time: cook time: total time: 40 MIN 

INGREDIENTS


2 lbs sweet potatoes, peeled and cut into 1/4-inch fries
1 cup cornstarch
3/4 cup cold lemon lime soda
1 (48 ounce) bottle canola or peanut oil, for frying
kosher salt

DIPPING SAUCE (optional)
2 tablespoons mayonnaise
1 tablespoon ketchup
1/4 teaspoon smoked paprika
hot sauce, to taste


INSTRUCTIONS


1. Heat the oil to 375 degrees F in a heavy-bottomed dutch oven or deep fryer.

2. Whisk the cornstarch and soda in a bowl.  In batches, dip the fries into the batter, then place them onto a wire rack letting any excess batter drip off.  Repeat with the rest of the potatoes.

3. Fry half of the potatoes in the hot oil for 8-9 minutes or until golden and crispy, stirring occasionally.  Remove from the oil and place the cooked fries onto a large paper towel-lined basket or bowl.  Sprinkle with kosher salt right after they come out of the hot oil.  Repeat with the remaining fries. Serve immediately with optional dipping sauce.

NOTES


There is no need to soak or par-boil these like you do for some other sweet potato fry recipes as long as you don't cut them too thick.  The 1/4-inch size is key.

It's super important to fry these in two batches!  If you try to rush it and throw them all in at once, they'll be too crowded and not get the perfect crispness that makes them so good!

Try seasoning these with any combination of spices you like.  I think chili powder/smoked paprika or cinnamon/sugar would be amazing.

Author: Adapted from Sweet Potato Fries found on Food Network.


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