1.Heat the oil in a wok until smoking, toss in the beans and cook for around 45 seconds to soften.
2.Remove beans and set aside. Place wok back on high heat and add pork mince and dried shrimp. Cook for 1 minute or so, mixing once.
3.Add chilli, garlic and ginger and fry for a further couple of minutes until mince is cooked. Toss in the prawns and add the chicken stock.
4.Cook until liquid has reduced by half, then add the soy sauce and lime juice. Fold in the carrot, celery, spring onions and green beans and serve immediately, garnished with coriander and sesame seeds.