Prepare the Potatoes

1. wash and scrub the potatoes thoroughly to remove any dirt. You can peel them if you prefer smoother fries, but leaving the skin on adds texture and nutrients. Additionally, the skin provides a slightly rustic touch that some may enjoy.
2. use a mandoline slicer with a waffle blade to cut the potatoes. To create the crisscross pattern, rotate the potato 90° between each slice. This step ensures the signature lattice design that makes waffle fries unique and perfect for holding sauces.

Soak the Slices

1. Put the sliced potatoes in a bowl of cold water and let them soak for 30 minutes. This important step helps remove excess starch, which is necessary for making crispy fries. Without it, the fries might turn out soft or soggy.
   
2. drain the water and pat the slices completely dry using a clean kitchen towel or paper towels. Removing moisture is key because any remaining water can interfere with the frying process, leading to less crisp results.

Season the Fries

1. toss the dry potato slices with 1 tablespoon of oil. Olive oil or avocado oil works particularly well because of their high smoke points and subtle flavors.
2. Sprinkle the fries with salt and any additional seasonings you like. For example, garlic powder, paprika, or a Cajun spice mix can add bold flavor. This step allows you to customize the fries to your taste preferences.

Cook the Fries

1. Preheat your air fryer to 400°F (200°C). Preheating is crucial because it ensures that the fries start cooking immediately at the right temperature. This, in turn, helps them achieve their perfect crispiness.
2. arrange the potato slices in a single layer in the air fryer basket. If necessary, cook in batches to avoid overcrowding. Overcrowding can block airflow, preventing the fries from cooking evenly.
3. Air fry for 15-18 minutes, shaking the basket halfway through to ensure even cooking. If you want extra crispy fries, you can slightly increase the cooking time, but make sure to keep an eye on them to prevent burning.

Serve and Enjoy

1. Finally, once the fries are golden and crispy, remove them from the air fryer and transfer them to a serving dish. At this point, you can add any additional seasoning if desired.
2. Serve immediately with your favorite dips or toppings, such as shredded cheese, chopped herbs, or a tangy sauce. The fries are best enjoyed hot, as their texture and flavor are at their peak.