Add the remaining oil to the wok and heat up. Add the spring onions, ginger, pepper and mangetout, then stir-fry for 1 min. Add the noodles and beansprouts, then stir to mix. Blend together the curry paste, soy, chilli sauce and 1 tbsp water, then add to the wok, stirring until everything is well coated in the sauce. Serve sprinkled with coriander, with lime wedges for squeezing over.