Roast and grind the two spices, add the pepper and combine in a bowl with the liquids and herbs. Beat smooth and pour it over the fish and marinate for 2–3 hours. Lift the fish out of the marinade and roast in a medium oven (350°F, 180°C, gas 4) for 15 minutes or cook on a hot griddle for 2–3 minutes each side. Heat
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