Chop the onion and garlic, slice the celery and fry
quickly in oil without browning.
Crush the
saffron with a pestle and mortar and add to the pan.
Cook for a short while and then add the peeled,
chopped tomatoes.
Add the wine and stock, bay leaf
and parsley. Season and allow soup to simmer,
covered, for 10 minutes.
Scrub and scrape fresh
mussels and rinse under cold, running water.
Discard any which are not fully closed. Boil mussels
in a little water until they open.
Add mussels
and prawns to the soup, strain the cooking liquid
from the mussels and add to the soup. Adjust
seasoning with herbs and lemon juice.
Remove
saucepan from heat and stir in the egg yolks which
have been beaten with a little water. Serve
immediately.