If using potatoes, dice into even sized cubes, season generously with salt, pepper, garlic, or if you got the au jus seasoning packet you can use the seasoning pack provided.
Air fry (or bake) on 400F for 8 min, shake, 8-10 more minutes or until golden brown.
Dice yellow onion (very small). Place in a skillet with a small about of butter or oil of choice and cook on medium/low heat. Sauté until tender/golden brown.