Using a sharp knife cut the steak into 1-inch pieces, or bite-size pieces of steak, and transfer to a large bowl.
Add the oil and seasoning and toss to coat the steak pieces. Preheat the air fryer to 400 degrees F, for 2-3 minutes.
Spread the seasoned steak bites into the air fryer basket, in a single layer, and set the cooking time for 8-10 minutes. top halfway through cooking time and shake the basket to turn the steak bites over.
In a small bowl add the melted butter, mix in the minced garlic (or garlic powder) toss with the simple air fryer steak bites, and serve with fresh parsley.
