Fish Couscous

Baharini Amor, our cook when we lived in Tunisia, came from the inland village of Sloughia, but none the less relished seafood as much as we did. Here is his recipe for fish couscous, which I preface with the explanation that couscous is granulated flour, now obtainable in speciality and indeed many ordinary food shops. It was invented in the Arab world in the fifteenth century, and has for long been a principal dish of the Maghreb countries. It is also very common in Sicily and the South o