I developed this to remind myself of some of the wonderful hotpots and soups I had while travelling in Vietnam.
Boil the noodles in salted water until they are just soft. Drain the noodles through a strainer, then run through with cold water to halt the cooking process. Leave the noodles on one side.
Cut the chillies in half under running water, discard the seeds and stem and cut very finely into strips. Remove any skin or bone from the chicken breasts, then slice them across fairly thinly. In a