Seasonings A few of the many choices of seasonings you can sprinkle over the top of your hash browns are garlic powder, garlic salt, onion powder, parmesan cheese, seasoning salt, ground black pepper, table salt, herbs, and cayenne pepper for heat.  Dipping Sauces Many dipping sauces that are perfect for air fryer hashbrowns are ketchup, honey mustard, salsa, and tartar sauce.