Mary Berry bashes the steak for her beef stir-fry before cooking to tenderise ... Season the marinated steaks with salt and pepper and fry for 1½–2 minutes on each side, then transfer to ...
To marinate the beef ... ground black pepper. Tip into a hot serving dish and sprinkle over the Thai basil to serve. The beef can be marinated up to 2 hours ahead. The stir fry itself is best ...