Cook the beans in boiling salted water for 3 - 5 minutes. Drain and cool in chilled water, then pat dry between sheets of kitchen paper
Mix cooked beans, bean sprouts, grated carrot and spring onion in a bowl with coriander.
Mix the dressing ingredients and pour over the salad. Toss, then allow flavours to settle for at least 30 minutes.
Place in nice serving bowl, garnish with extra coriander, crushed nuts and sliced red chilli.