If making tomato sauce from scratch: heat olive oil over medium heat and add onions, cook for 5 minutes
Add diced tomatoes, vegetable broth, tomato paste, garlic powder, paprika, basil and season to taste
Bring to a boil, reduce heat and simmer for 10 minutes until sauce thickens
Preheat air fryer to 200C
Remove stems from mushrooms and chop them
In a bowl combine milk, flour, cornstarch and apple cider vinegar until smooth
In a separate bowl combine bread crumbs, seasonings and Parmesan/nutritional yeast
Dip each mushroom into milk mixture and roll in bread crumbs on both sides
Arrange steaks in air fryer basket and cook for 10 minutes
Meanwhile pan fry chopped mushroom stems until cooked
Remove mushrooms from air fryer
Top each steak with tomato sauce, cooked mushroom stems and sprinkle with cheese
Return to air fryer for another 10 minutes until cheese is melted and mushrooms are cooked through
Serve right away and enjoy
