Cod with Lemon, Green Olive, and Onion Relish

A elegant seafood dish featuring tender cod fillets roasted with chiles and topped with a bright, zesty relish of lemons, green olives, capers, and red onions. Perfect for a sophisticated dinner party or special occasion meal.

8 servings
5 hr 5 min

Ingredients

  • 2 whole lemons
  • ½ whole red onion
  • 1 teaspoon kosher salt
  • ½ cup green olives
  • 2 tablespoons capers
  • cups olive oil
  • to taste kosher salt and pepper
  • 8 pieces cod fillets
  • 2 whole dried red chiles
  • ¼ cup parsley

Cooking Instructions

  1. 1.

    Finely grate zest from lemons; set aside. Using a sharp knife, cut peel and white pith from lemons; discard. Working over a medium bowl, cut between membranes to release segments into bowl and squeeze membranes to release juices; discard membranes and any seeds. Set lemon segments aside.

    10 min

  2. 2.

    Combine onion and 1 teaspoon salt in a small bowl. Let sit 10 minutes. Squeeze onion to remove any excess liquid; add to bowl with lemon segments. Add olives, capers, reserved lemon zest, and 3/4 cup oil; season with salt and pepper and toss to combine. Cover relish and chill at least 4 hours.

    240 min

  3. 3.

    Preheat oven to 250°F. Bring relish to room temperature.

    15 min

  4. 4.

    Place cod in a large shallow baking dish or roasting pan and drizzle with remaining 1/2 cup oil. Add chiles and turn fish to coat; season with salt. Roast until just cooked through, 30-40 minutes.

    35 min

  5. 5.

    Transfer fish to a platter. Mix parsley into relish and spoon over fish.

    5 min

  6. 6.

    Relish (without parsley) can be made 1 day ahead. Keep chilled.

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