Baked Sweet Potato Truffle Fries

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These crispy, flavorful Sweet Potato Truffle Fries will have you hooked after the first bite! Perfectly seasoned with a hint of truffle oil and topped with parmesan and herbs, these fries are the ultimate side dish. Ready in under an hour and baked to golden perfection, they’re a healthier alternative to traditional fries without sacrificing flavor!

Roasted sweet potato fries sprinkled with salt are spread out on a baking sheet. A white bowl containing a creamy dipping sauce is partially visible in the bottom corner, with a gold spoon resting in it.

If you’re craving a show-stopping snack that’s both indulgent and nutritious, this recipe is for you. I love sweet potato fries for their balance of natural sweetness and savory crispness.

Adding a drizzle of truffle oil elevates this dish into something truly special. Whether you’re hosting guests, enjoying a casual dinner, or looking for the perfect snack, this recipe checks all the boxes.

With a handful of simple ingredients and a few pro tips, you’ll be making fries that taste like they came from your favorite gourmet restaurant.

These truffle fries pair well with a Juicy Smoked Burger, Easy Cheeseburger Bowls, Smoked Hot Dogs, or Smoked Chicken.

If you are looking for something to dip them in, try pairing them with my Hot Honey Mustard Dipping Sauce, Lemon Yogurt Dill Sauce, or Easy Smashburger Sauce.

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Why You'll Love This Recipe
Ingredients
Substitutions And Variations
How To Make Truffle Sweet Potato Fries
Nadia's Expert Tips And Notes
What To Serve With Sweet Potato Truffle Fries
Storage And Reheating
Recipe FAQ
Other Related Side Dish Recipes
Baked Sweet Potato Truffle Fries

Why You'll Love This Recipe

Better Than Take Out: Making these at home allows you to control the quality of ingredients. Not only do they end up tasting better, but they are better for you!
Super Simple: This is one of the easiest side dishes you will ever make. These fries are on the weekly rotation at our house!
Versatility: While delicious on their own, sweet potato truffle wedges also make a wonderful base for your favorite toppings.

Ingredients

Sweet Potatoes: Sweet potatoes are a great source of carbohydrates and are a good source of potassium, beta carotene, Vitamin C, Vitamin B, Vitamin A, Magnesium, and fiber. You can use any variety of sweet potato that you like such as Beauregard, Jewel, Garnet, or Japanese sweet potatoes.
Avocado Oil: Avocado oil is fantastic when cooking at high temperatures. You could also use Extra Virgin Olive Oil if you are in a pinch, however, it’s not ideal for cooking at high temperatures. Coconut Oil would also work and will add a touch of extra sweetness to the fries.
Sea Salt: Pink Himalayan sea salt is my favorite.
Dried Rosemary: You can substitute it with other herbs or Italian seasoning. Fresh rosemary also works well.
Flakey Sea Salt: Don’t sleep on the flakey sea salt. This is added right after the fries come out of the oven for even more flavor and crunch.
Truffle Oil: Make sure you read the labels when shopping for truffle oil. You want to ensure that the truffle oil is high quality and is made from real truffles and Olive Oil. I’m a big fan of Truff.
Grated Parmesan Cheese (Optional): Try making parmesan truffle fries by grating some fresh parmesan cheese directly onto your fries as they come out of the oven.

See the recipe card for full information on ingredients and quantities.

Substitutions And Variations

Feel free to mix and match these substitutions and variations to customize to your taste preferences and dietary needs. Experimenting with different flavors and ingredients is part of the fun of cooking, so don't be afraid to get creative!

Different Types of Potatoes: If you don't have sweet potatoes on hand, you can make regular fries by using russet or Yukon gold potatoes.
Truffle Salt: Instead of truffle oil, you can sprinkle truffle salt over the fries before baking for a more subtle truffle flavor.
White Truffle Version: If you don't like black truffle oil and want something slightly milder, you can drizzle a little bit of white truffle oil on the sweet potato fries.
Duck Fat: Try making duck fat sweet potato fries by coating the potatoes in duck fat instead of avocado oil.
Cheese Toppings: Sprinkle-grated Parmesan, Pecorino Romano, or Gruyère cheese over the fries during the last few minutes of baking for a cheesy twist.
Spice Blends: Create your own spice blend by mixing truffle oil with garlic powder, onion powder, paprika, or chili powder for a spicy kick.
Sweet and Savory: For a sweet and savory flavor combination, drizzle the fries with honey or maple syrup before baking and sprinkle with sea salt after cooking.
Balsamic Reduction: Drizzle balsamic reduction over the fries before serving for a tangy and sweet contrast to the rich truffle flavor.
Fresh Herbs: Garnish the hot fries with chopped fresh parsley, chives, or cilantro for a pop of color and freshness.

How To Make Truffle Sweet Potato Fries

This is an overview with step-by-step photos. Full ingredients & instructions are in the recipe card below.

Chopped sweet potatoes on a wooden cutting board with a knife beside them. A bowl filled with ice water is next to the board on a wooden surface.

Step 1. Wash and peel the sweet potatoes. Cut each potato in half lengthwise, then cut them again into ¼ - ½ inch thick fries.

A glass bowl filled with cut sweet potato wedges soaking in water with ice cubes. The vibrant orange pieces contrast with the clear water, all set against a rustic wooden surface.

Step 2. Soak the cut fries in a large bowl of ice water for 30 - 60 minutes. Dry the potato wedges well using some cloth or paper towels.

Chopped sweet potatoe sticks arranged on a wooden cutting board.

Step 3. Preheat your oven to 400 degrees f. Add the dried potato wedges to a parchment-lined baking sheet, then add the oil, salt, and rosemary. Toss to combine.

Close-up of roasted sweet potato fries on a baking sheet with specks of sea salt and herbs, showcasing a golden-brown color and crispy texture.

Step 4. Arrange the fries in a single layer on the large baking sheet, ensuring they don’t touch or overlap for even cooking. Bake for 15 minutes, then carefully flip each fry with a fork. Return to the oven and bake for an additional 15 minutes, or until the fries are golden brown with crispy edges.

Roasted sweet potato wedges are scattered on a baking sheet next to a small white bowl of creamy dipping sauce. The wedges are seasoned and browned, suggesting a savory preparation.

Step 5. While the fries are still hot, drizzle them with a teaspoon of truffle oil and add a generous pinch of flakey sea salt.

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Nadia's Expert Tips And Notes

For best results don’t skip the ice bath! Soaking the potatoes in cold water is a critical step in getting the right texture for the sweet potato fries! This process will help remove excess starch from the potatoes which will help ensure you have crispy fries.
Cut the fries evenly to ensure they cook at the same rate.
Don’t overcrowd the baking sheet—space helps them crisp up.
Use fresh, high-quality truffle oil for the best flavor.

What To Serve With Sweet Potato Truffle Fries

Dipping Sauces: Pair with a variety of flavorful sauces like truffle mayo, garlic aioli, hot honey mustard, Smashburger sauce, chipotle ranch, spicy sriracha ketchup, or tangy tzatziki.
Toppings: Elevate your fries with parmesan cheese and fresh parsley for a gourmet touch. Add crumbled feta, crispy bacon bits, or caramelized onions for extra indulgence. For a spicy twist, drizzle with hot honey or sprinkle with red pepper flakes.
Main Course Pairings: Serve alongside juicy grilled chicken kabobs, steak, or a smoked burger. They also pair perfectly with Traeger grilled salmon, or gluten-free chicken tenders.
Salads and Veggies: Pair with a crisp side salad like grilled peach and burrata salad, or a classic Caesar.
Breakfast or Brunch: Use the fries as a base for a sheet pan breakfast hash topped with fried eggs, avocado, and salsa. They’re also amazing served with high-protein smoothies, cottage cheese breakfast bowls, or high-protein egg bites.

Storage And Reheating

Storage: Allow the fries to cool completely.. Transfer the cooled fries to an airtight container and store in the refrigerator for up to 2-3 days.
Reheating: To reheat arrange the leftover fries in a single layer on a baking sheet lined with parchment paper. Bake for 5-7 minutes at 375 degrees, or until they are heated through and crispy.

Recipe FAQ

Can I use regular potatoes instead of sweet potatoes?

Yes, you sure can! Feel free to use russet potatoes, they will taste great.

Where can I find truffle oil?

Truffle oil is available at many grocery stores and online retailers. Look for high-quality truffle oil for the best flavor.

Can I use an air fryer for these instead of baking them?

Yes! You can certainly air-fry the truffle potato wedges if you prefer. Be sure to toss them halfway through cooking.

What’s the difference between black truffle oil and white truffle oil?

Black truffle oil is typically made using black truffles, which have a stronger and earthier flavor compared to white truffles. That being said, either would be wonderful in this dish.

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