Why ready to eat bird's nest is expensive? See...in fact they have o pay for the processing fees.
Soak in water...
first pick...
first pick...
after first pick...
rinse under running water...
second pick...
looks clean...
but if go closer...can see some more fine feathers...
third pick...
finally....
slow cook with red dates, rock sugar and 泡参
Hmmm...after hours of processing