Sweet Potato Fries Onion Dip

Featured in: Game Day Snacks

Enjoy golden, crispy sweet potato fries seasoned with smoked paprika and garlic, cooked to perfection in the air fryer. Served alongside a creamy, tangy onion dip made from sour cream, mayonnaise, and sautéed onions, this combination delivers a satisfying balance of flavors and textures. The fries are light and crisp outside with tender interiors, while the dip adds a rich, savory complement. Ideal for quick snacks or a tasty side dish. Optional tips include soaking fries for extra crispiness and using Greek yogurt for a lighter dip.

Updated on Sat, 14 Feb 2026 08:36:00 GMT
Crispy air fryer sweet potato fries with golden edges, served alongside creamy homemade onion dip for a delicious snack. Save to Pinterest
Crispy air fryer sweet potato fries with golden edges, served alongside creamy homemade onion dip for a delicious snack. | yummywithmia.com

My air fryer sat on the counter for weeks before I actually used it, gathering dust like a fancy kitchen gadget I'd second-guessed. Then one afternoon, craving something crispy and golden but too lazy to heat the oven, I pulled out two sweet potatoes and gave it a shot. Ten minutes in, the smell hit me—smoky, caramelized, nothing like the soggy frozen fries I'd made in a regular pan. That first batch changed everything, and now I make these whenever someone needs convincing that air fryers actually work.

I brought these to a dinner party once, stressed about whether they'd stay warm, whether the dip would separate, whether anyone would actually eat them over the roasted vegetables I'd also made. My friend Sarah grabbed a fry before I'd even set the basket down, dipped it, closed her eyes, and said, 'Why have I been eating frozen ones my whole life?' That one moment made me realize homemade doesn't always mean complicated.

Ingredients

  • Sweet potatoes: Look for firm ones without soft spots; they'll cut cleaner and cook more evenly, and the natural sugars caramelize beautifully in the air fryer heat.
  • Smoked paprika: This is the secret ingredient that tastes almost barbecued—regular paprika is milder, so don't skip this one.
  • Olive oil: Just enough to coat everything evenly; too much makes them greasy, too little and they won't crisp.
  • Sour cream and mayonnaise: The combination creates a dip that's tangy and rich without being heavy, but Greek yogurt works beautifully if you're looking to lighten it.
  • Fresh chives: Optional but worth it; they add a whisper of onion flavor that feels like a finishing touch.

Instructions

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Cut and coat your potatoes:
Peel the sweet potatoes and slice them into fries about the thickness of a pencil—they cook more evenly this way. Toss everything together in a bowl and make sure every piece gets kissed with that paprika-garlic-oil mixture.
Preheat and arrange:
Get your air fryer hot at 200°C (400°F) while you arrange fries in a single layer; they should touch but not overlap, or you'll get some soft spots and some overly crispy ones.
Cook with a midway shake:
Air fry for 15 to 20 minutes, and halfway through, pull the basket out and shake everything around so they cook evenly and get golden all over.
Caramelize your onions:
While fries bubble away, heat that tablespoon of oil and let your diced onion soften slowly over medium heat until it's pale gold and sweet-smelling—rushing this step means missing the magic.
Build the dip:
Mix the sour cream, mayo, and caramelized onions together with the powders and seasonings, then fold in those chives if you're using them; it should taste like someone's grandmother made it in the best possible way.
Bring it together:
Pull the fries out when they're golden and crispy, transfer them to a serving plate, and put that dip in a little bowl right next to them while everything's still warm.
Aromatic sweet potato fries air-fried to perfection, paired with tangy onion dip, ideal for parties or casual munching. Save to Pinterest
Aromatic sweet potato fries air-fried to perfection, paired with tangy onion dip, ideal for parties or casual munching. | yummywithmia.com

These fries became my go-to when my youngest decided they were 'the only fries worth eating,' which felt like a small victory in the picky-eater department. Now every time I make them, there's this moment where everyone gathers in the kitchen, drawn in by the smell, and suddenly we're standing around eating snacks together instead of scattered across devices.

Why the Air Fryer Makes This Work

The circulating heat in an air fryer does something that regular ovens struggle with: it browns and crisps the outside of these potatoes in about 18 minutes while keeping the inside tender, not dried out. You're not drowning them in oil like a deep fryer would, but you get that same golden, crunchy texture that makes people reach for just one more. Once I understood that it's really just a very hot, very fast oven, I stopped overthinking it and started trusting the process.

Making the Dip Feel Like a Restaurant Version

Most people open a packet of something or thin out ranch dressing, but spending five minutes caramelizing fresh onions shifts this from 'snack food' to something that tastes intentional. The slow cooking transforms the sharp bite of raw onion into something sweet and mellow, which is why this dip tastes completely different from anything you'd make with raw pieces. It's honestly hard to go back once you've tasted the difference.

Troubleshooting and Variations

If your fries come out soft instead of crispy, your air fryer might be overcrowded or your potato pieces might be too thick; cook in smaller batches or cut thinner next time. If the dip tastes flat, you probably need more salt than you think—taste as you go and add a little at a time. For a spicy version, dust those fries with cayenne pepper before cooking, or swirl a bit of hot sauce into the dip itself.

  • Soak cut potatoes for 30 minutes before cooking for maximum crispiness.
  • Always caramelize onions low and slow for the dip rather than rushing them on high heat.
  • Serve everything warm and eat within minutes for the best texture contrast.
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Golden sweet potato fries, lightly spiced and air-fried, accompanied by a rich, creamy onion dip—perfect for dipping. Save to Pinterest
Golden sweet potato fries, lightly spiced and air-fried, accompanied by a rich, creamy onion dip—perfect for dipping. | yummywithmia.com

These fries have become the thing people ask me to bring, the thing I make when I need to feel like I'm doing something nice without actually trying too hard. There's something about offering someone golden, crispy vegetables and a dip made from scratch that tastes like care.

Common Recipe Questions

How can I make the fries extra crispy?

Soaking the cut sweet potatoes in cold water for 30 minutes before drying and seasoning helps remove excess starch, resulting in crispier fries when air fried.

What seasoning enhances the sweet potato fries?

Smoked paprika, garlic powder, salt, and black pepper combine to give the fries a smoky, savory flavor that complements their natural sweetness.

Can I prepare the onion dip without sautéing the onions?

Sautéing the onions softens their texture and mellows their flavor, adding depth to the dip. Raw onions may make the dip sharper and less creamy.

Is there a lighter alternative to sour cream in the dip?

Greek yogurt can be substituted for sour cream to reduce fat content while maintaining creaminess and tang.

How long should the fries cook in the air fryer?

Air fry the fries at 200°C (400°F) for 15-20 minutes, shaking the basket halfway through for even cooking and crispiness.

Sweet Potato Fries Onion Dip

Crispy sweet potato fries with a creamy onion dip for a flavorful snack or side.

Prep Time
15 minutes
Cooking Duration
20 minutes
Overall Time
35 minutes
Created by Mia

Recipe Type Game Day Snacks

Skill Level Easy

Culinary Origin American

Total Output 4 Portion Size

Dietary Preferences Vegetarian-Friendly, Gluten-Free

What You'll Need

Sweet Potato Fries

01 2 large sweet potatoes, peeled and cut into fries
02 2 tablespoons olive oil
03 1 teaspoon smoked paprika
04 1/2 teaspoon garlic powder
05 1/2 teaspoon salt
06 1/4 teaspoon black pepper

Onion Dip

01 1 cup sour cream
02 1/2 cup mayonnaise
03 1 small yellow onion, finely diced
04 1 tablespoon olive oil
05 1 teaspoon onion powder
06 1/2 teaspoon garlic powder
07 1 tablespoon fresh chives, finely chopped
08 1/2 teaspoon salt
09 1/4 teaspoon black pepper

Steps to Follow

Step 01

Prepare Sweet Potato Fries: In a large bowl, toss the sweet potato fries with olive oil, smoked paprika, garlic powder, salt, and black pepper until evenly coated.

Step 02

Preheat Air Fryer: Preheat the air fryer to 400°F. Arrange fries in a single layer in the air fryer basket, working in batches if necessary.

Step 03

Air Fry Sweet Potatoes: Air fry for 15 to 20 minutes, shaking the basket halfway through, until fries are crisp and golden brown.

Step 04

Sauté Onions: While the fries cook, heat 1 tablespoon olive oil in a small skillet over medium heat. Add diced onion and sauté for 5 to 7 minutes until soft and lightly golden.

Step 05

Prepare Onion Dip: In a medium bowl, combine sour cream, mayonnaise, sautéed onion, onion powder, garlic powder, chives, salt, and black pepper. Stir until well combined.

Step 06

Serve: Serve the hot sweet potato fries immediately with the onion dip on the side.

Tools Required

  • Air fryer
  • Mixing bowls
  • Knife and cutting board
  • Small skillet
  • Measuring spoons
  • Spoon or spatula

Allergy Warnings

Please review individual ingredients for potential allergens and reach out to a healthcare professional if unsure.
  • Contains dairy from sour cream and mayonnaise
  • Mayonnaise may contain eggs
  • Always verify packaged ingredients for gluten cross-contamination

Nutritional Info (per serving)

These details are for reference only and shouldn't replace professional medical consultation.
  • Calories Count: 295
  • Fats: 18 grams
  • Carbohydrates: 29 grams
  • Proteins: 3 grams