Mary Berry bashes the steak for her beef stir-fry before cooking ... for a more succulent flavour. Make the marinade by placing all the ingredients in a bowl and mixing together well.
2 New York strip steaks (1½ pounds), cut into 1-inch cubes 1 (15-ounce) package cremini mushrooms 1 large red onion, sliced into large pieces 1 pint cherry tomatoes ...
Mix the beef strips with the soy sauce in a bowl. Set aside to marinate for 10 minutes. Heat the air fryer to 190C. Toss the pepper, onion and chilli in ½ tablespoon vegetable oil and cook for 10 ...
Mix until well combined. Place beef in another medium bowl. Add half the marinade and toss to coat. Marinate at room temperature for at least 10 minutes. Warm oil in a large pan or wok over high heat.