Name: Air Fryer Sweet Potato Fries with Diane Dip
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Ingredients: 2 large sweet potatoes (cut into 1/4-1/2 inch sticks); 3 tbsp olive oil (extra virgin); 1 tbsp coarse sea salt; 1 tbsp shallot (minced); 1 tbsp butter; 1/4 cup Brandy (*any kind you like is fine); 1/2 cup mayo (*or sour cream/greek yogurt)

Jump to Recipe Print Recipe

Air Fryer Sweet Potato Fries with Diane Dip is easy to make, quick, unique, delicious, and seriously addicting! You know that Diane sauce that you dip your steak into?? Well, now it’s a dip! And pairs insanely well with sweet potato fries! You MUST give it a try!

Photo of crispy sweet potato fries, a dip, and some flaky sea salt.

***This site uses affiliate links. If a product is linked, please assume that I will make a commission. Commissions support this site, thank you for your support!

HOW DO YOU AIR FRY SWEET POTATO FRIES

First, you’ll need an air fryer. I have two that I like and recommend.

The first one that I’ll discuss is the Ninja XL Air Fryer. I like and recommend this one. This is pretty much the only air fryer that I use.

That said, I fully recommend the Ninja XL Air Fryer. I have a family of 5 and I feel that this one really gets the job done. However, I also have the Instant Pot Air Fryer Lid that I *sometimes* use. It’s a nice gadget and it really works just as well. I just don’t love it as much as the Ninja XL Air Fryer.

Now, assuming you already have an air fryer, the recipe is simple, requiring just three ingredients: sweet potatoes, olive oil, and sea salt.

Why sea salt you ask? I always use sea salt, unless you’re paranoid that you might get a goiter, I don’t like iodized salt, it gives your food a metallic taste (in my opinion).

This is the brand of salt that I use, and like 🙂

Close up image of raw cut sweet potato fries with crumbs of flaky salt.

You simply slice the potatoes into sticks - ¼-½ inch thick, and then toss them with olive oil and salt and then put them into the air fryer. Don’t let them touch, so you may have to work in small batches.

Image of the raw fries inside the air fryer basket.

WHAT IS DIANE DIP?

Well to be perfectly honest, I feel that what you’re dipping your fries into is way more important that what you season your fries with. That’s why these fries are just three simple ingredients: sweet potatoes, olive oil, and sea salt. This way, the dip can really shine.

Diane Dip, as far as I’m aware, didn’t exist before today. You’ll be most acquainted with this flavor profile in the popular dish, Steak Diane. Which I just may make in the coming weeks...

Well anyway, I couldn’t get Diane sauce out of my head and I thought, maybe...maybe...it would make a good dip. And voila! I created it, it tasted great.

And to be honest, I’m not a fan of ketchup so that’s not even a dipping option that I usually consider when making fries or anything that would require a dipping sauce.

Picture of the Diane dip not mixed together.

HOW DO YOU MAKE DIANE DIP?

It’s very, very simple to make.

First, you’ll saute a whole shallot in some butter.

Second, you’ll add Brandy and bring it to a simmer for 60 seconds and remove it from the heat.

Third, and finally, you’ll add mayo to a bowl, add some dijon mustard and pepper, then fold in the sautéed shallot, butter, and Brandy mixture.
So. Easy. You’ll wonder why you haven’t been doing this your whole life.

It tastes like an elevated onion dip. But with the flavor profile of the classic Diane sauce.