1 bird鈥檚-eye red chilli, finely chopped
2 garlic cloves, peeled and finely chopped
1 tsp finely chopped ginger
3 Paris brown or shiitake mushrooms, thinly sliced
2 spring onions, thinly sliced
1 litre/1戮 pints chicken stock
salt and freshly ground black pepper
1 tsp chilli oil
1 tsp sesame oil
2 tsp soy sauce
1 tbsp vegetable oil
splash black vinegar
1 free-range egg, beaten
1 boneless chicken thigh, cut into thin strips.