Combine all your ingredients for the marinade into a large mixing bowl.
Add your steak cubes and sliced mushrooms into your mixing bowl with the marinade and toss to coat.
Let the steak and mushrooms marinate for 1 hour.
Pre-heat your Air Fryer to 400F for 5 minutes.
Make sure you spray the inside of your air fryer will cooking spray and pour your steak and mushrooms into the air fryer basket.
Cook the steak and mushrooms in the Air Fryer for 5 minutes at 400F. Open the basket and shake the steak and mushrooms so they cook evenly. Continue to cook for 5 minutes more.
Check the steak using an internal meat thermometer. If the steak has not reached your desired doneness, continue to cook in 3 minute intervals until the thermometer placed in the center of 1 steak bite reaches the desired temperature. (Rare=125F, Medium-rare=130F, Medium=140F, Medium-well=150F, well-done=160F)