These Low Calorie Purple Sweet Potato Fries are just 134 calories and can be made in the oven or the air fryer!I also supplied you with several flavors, and tips on making them low sodium (that is below in the nutrition section).Special Tip: If you prefer a mix of sweet potato fries, feel free to swap 2 of the purple sweet potatoes with traditional sweet potatoes. Cook time and seasoning will be the same, and you can have a pretty mix of both colors.