Boil 3-4 litres of salted water. Peel shallots and garlic and dice finely. Clean, wash and slice the chillies and scrape out the seeds. Chop the pods finely. Wash lime hot, grate dry and grate peel.
Halve the lime and squeeze it. Mix 7 tbsp. oil, chillies, shallots, garlic, lime juice and zest. Wash the shrimps and dab dry. Peel and core the papaya and dice the flesh.
Wash the mangetouts and cut them diagonally into pieces. Add the pasta to the boiling salted water, remove the pot from the heat and leave to stand for 4-5 minutes (or according to package instructions). Heat 1 tablespoon of oil in a large frying pan.
Fry the prawns for 4-5 minutes, turning them, then add the mangetout after 2-3 minutes and fry them. Season with salt and pepper. Wash coriander and mint, dab dry, pluck leaves from the stalks and chop.
Stir the pasta with a fork, pour into a sieve, rinse briefly with cold water. Put the noodles, prawns, chili-lime oil, papaya, mint and coriander back into the pot and let it simmer for 3-4 minutes at medium heat, season with salt and pepper.