Fish Soup with Mussels and Chorizo

This soup is as close as my memory can take me to a table in the sand at one of those fish shacks along the beach at Barceloneta, a little strip of beach on the harbor. Those shacks may no longer exist, but the soup prevails.

Fish soup can be a chore, even for experienced cooks. This easy full-flavored version gets a kick from chorizo and extra richness from a Catalan-style roasted pepper