If you're looking for a healthier alternative to regular french fries, try making sweet potato fries in the Ninja Air Fryer. The air fryer will give them a crispy texture without the need for excessive oil. Simply cut the sweet potatoes into thin strips, toss them with some olive oil, salt, and your favorite spices, and air fry them until they are golden brown. These sweet potato fries make a delicious side dish or snack.