For the beef
250g/9oz beef fillet
3 tbsp vegetable or groundnut oil
For the marinade
2 tbsp soy sauce
2 tsp toasted sesame oil
1 tbsp dry sherry
2 tsp cornflour
For the noodles
1 tsp vegetable or groundnut oil
1 onion, peeled and chopped
1 garlic clove, peeled and finely chopped
1 tbsp finely sliced fresh ginger
1 red chilli, seeds removed, flesh sliced into thin strips
1 red pepper, seeds removed, flesh sliced into strips
1 tbsp dry sherry
100g/3½oz mangetout
300g/10½oz (cooked weight) pre-cooked or ready-to-wok noodles
4 tbsp pesto (you can use green pesto, red pesto or coriander pesto, or a mixture)
pinch sugar
4 spring onions, trimmed and sliced diagonally
1 tsp toasted sesame oil
freshly ground black pepper
small bunch fresh coriander, chopped, to serve














