Directions

1. 1. Put the steak in the freezer until it is firm enough to cut into 5cm/2in strips.
2. 2. Mix the ingredients for the marinade in a shallow dish (see Cook's Tip) and stir in the steak Strips.
3. 3. Drain the noodles and cook them in boiling water for 5 minutes. Drain again, then snip into short lengths. Drain the mushrooms, cut off and discard the stems; slice the caps.
4. 4. Prepare the garnish. Heat the oil in a small frying pan. Beat the egg yolks together and pour into the pan. When set, slide them on to a plate.
5. 5. Add the egg whites to the pan and cook until set. Cut both yolks and whites into diamond shapes and set aside.
6. 6. Drain the beef. Heat the oil in a wok or large frying pan and stir-fry the beef until it changes colour.
7. 7. Add the carrot and onion and stir-fry for 2 minutes, then add the other vegetables, tossing them until just cooked.
8. 8. Add the noodles and season with soy sauce, salt and pepper. Cook for 1 minute.
9. 9. Spoon into a serving dish and garnish with egg, spring onions and sesame seeds.
10. COOK’S TIP:
11. 10. To make the marinade, blend together 15ml/l tablespoon sugar, 30ml/2 tablespoon light soy sauce, 45ml/3 tablespoon sesame oil, 4 finely chopped spring onions, 1 crushed garlic clove and 10ml/2 teaspoon crushed toasted sesame seeds.