To make green harissa, process all ingredients to form a smooth paste. Season.
Place fish in a bowl and add enough of the harissa to coat. Using your hands, massage harissa into fish.
Preheat oven to 180C.
Place a sheet of pastry on the bench and add a little of the marinated fish at one end, leaving a 2cm border.
Fold in sides and roll to enclose to form a pastilla. Set aside covered with a damp tea towel. Repeat with remaining pastry and fish.
Brush pastillas all over with clarified butter.
Bake for about 12 minutes or until golden and crisp. Cut in half.
To make tarator sauce, blend all ingredients until smooth. Season.
To make salsa, whisk oil, vinegar, zest, juice, garlic, sugar, chives and parsley in a large bowl until sugar has dissolved. Season. Stir in almonds and sultanas. Set aside.
To make salad, place fennel in a bowl. Season with salt and toss to combine. Set aside.
Process oil, coriander, chilli, zest, juice and sugar to form a puree. Pass through a fine sieve into a bowl and discard solids.
Drain and rinse fennel. Add to dressing in bowl with mint and radish. Toss to combine. Season.
Serve spiced fish pastilla with fennel salad, salsa and tarator dressing.