Toss the steak pieces in a large mixing bowl with the olive oil, steak seasoning, red pepper flakes, and onion powder. Ensure that the steak pieces are evenly coated in the seasonings.
1 pound flank steak, cubed, 2 tablespoons olive oil, 1 teaspoon garlic and herb steak seasoning, ½ teaspoon red pepper flakes, 1 teaspoon onion powder
Preheat the air fryer to 390 degrees F. Transfer the steak pieces to the air fryer basket and cook for 10 minutes, or until they have reached the desired doneness.
While the steak is cooking, mix together the butter, garlic powder, and chives.