When it comes to air frying hash browns, you want to use an oil that has a high smoke point. This means that it can withstand high temperatures without burning or smoking. Some good options include avocado oil, grapeseed oil, and peanut oil. You also want to choose an oil that has a neutral flavor. This way, it won’t interfere with the taste of your hash browns. Avocado oil and peanut oil are good choices in this regard. Finally, you want to make sure that the oil you choose is healthy. Avocado oil and grapeseed oil are both good choices in this regard. They are high in healthy fats and antioxidants.