Remove all bones from the pigeon, cut pigeon meat, pork and chicken liver into small cubes, put in bowl, marinate with soy sauce, salt, egg yolk, cornstarch, and sugar. Let stand for 10 minutes.
Soak dried mushrooms in warm water, discard stem, chop into small cubes.
Heat oil very hot, deep fry the rice noodles until puffed and golden (only 3 seconds