Method
1. Heat 1 tablespoon of oil in a frying pan and cook pork for around 2 minutes on each side. Leave for 5 minutes, then cut into 1cm thick slices.
2. Meanwhile, cook noodles in a saucepan of boiling salted water for 2 minutes. Drain well. Place noodles in a bowl with spring onion and cashew nuts. Toss through the remaining oil and sesame oil, soy sauce, sugar, mirin and pepper.