Chermoula is the foundational flavour of Moroccan cooking: a herb paste and marinade so essential that virtually every grilled, baked, or fried fish in Morocco begins with it. The word likely derives from the Amazigh (Berber) language, and the sauce itself reflects Morocco's position at the intersection of Amazigh, Arab, Andalusian, and sub-Saharan African culinary traditions. Coriander is not optional here; it is chermoula; the herb provides its spine, its colour, and its characteristic fragrance. Preserved lemon, made by packing whole lemons in salt and their own juice for weeks, contributes a complex, funky citrus depth that no amount of fresh lemon can replicate. The sauce varies by region: coastal cities like Essaouira use it almost exclusively for fish, while inland Fez applies it to pigeon (in the great pastilla) and slow-cooked lamb. In any form, chermoula is among the world's great herb sauces.
Ingredients
chermoula paste
60 g fresh coriander (leaves and tender stems), roughly chopped
30 g flat-leaf parsley (leaves and tender stems), roughly chopped
800 g firm white fish fillets (sea bass, sea bream, cod, or hake), skin-on
2 medium waxy potatoes, peeled and sliced 5mm thick
2 medium ripe tomatoes, sliced
1 large white onion, thinly sliced into rings
2 tbsp extra-virgin olive oil, for drizzling
to serve
1 handful fresh coriander leaves, to garnish
1 whole lemon, cut into wedges
Method
Make the chermoula: combine the fresh coriander, parsley, garlic, cumin, smoked paprika, ground coriander, cayenne, and salt in a food processor or blender. Pulse until the herbs are roughly broken down.
Add the preserved lemon rind, fresh lemon juice, and olive oil to the processor. Blend to a rough, vivid-green paste. Taste and adjust salt, lemon, and cayenne. The paste should be bold, herby, and a little funky from the preserved lemon.
Score the fish fillets diagonally 2–3 times through the skin (for skin-on fillets) to allow the marinade to penetrate. Place in a dish and coat generously with roughly half the chermoula. Cover and refrigerate for at least 30 minutes, ideally 2 hours.
Preheat the oven to 200°C (180°C fan / 400°F / gas 6). Parboil the potato slices in salted water for 5 minutes until just starting to soften but still holding their shape. Drain well.
Drizzle the olive oil across the base of a large baking dish. Arrange a layer of potato slices, then onion rings, then tomato slices. Season each layer with salt and a spoonful of the remaining chermoula.
Lay the marinated fish fillets skin-side up on top of the vegetables. Spoon any remaining chermoula over the fish. Cover the dish tightly with foil.
Bake, covered, for 15 minutes. Remove the foil and bake for a further 8–10 minutes until the fish is cooked through and the skin has coloured. The fish should flake at the thickest point.
Scatter fresh coriander leaves generously over the finished dish. Serve directly from the baking dish with lemon wedges, flatbread or crusty bread to mop up the juices.
Notes
The chermoula recipe makes approximately 200ml of paste; more than needed for 4 servings of fish. Store the remainder refrigerated under a thin layer of olive oil for up to one week. Use as a marinade for chicken thighs, lamb cutlets, or roasted vegetables, or stir through couscous as a dressing. Variation: in Essaouira and other coastal cities, chermoula-marinated whole fish are grilled over charcoal rather than baked; brush the fish liberally with chermoula and grill over high heat for 4–5 minutes per side. Preserved lemons: if unavailable, substitute the zest of 1 unwaxed lemon and an extra pinch of salt, but seek out the real thing; preserved lemons are a transformative ingredient.
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