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Herb-Roasted Cod Loin

Herb-Roasted Cod Loin

French
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38 minutes
4 people
Medium31–60 min or 7–12 steps

38 min · 8 steps

Medium: 31–60 min or 7–12 steps

420 kcalper person
Protein 38g
Carbs 3g
Fats 28g

About this dish

Thick cod fillets seared skin-side down until shatteringly crisp, then finished in the oven with a herb-and-lemon butter basted over the top and a bright fresh herb paste spooned on at the end — a brasserie-kitchen technique that keeps the flesh pearlescent and moist while the skin builds deep colour.

Allergy Info

Dairy, Sulphites, Mustard, Fish

Diet Info

Pescatarian

Ingredients

Fresh Produce

  • Garlic cloves, lightly crushed and peeled3 whole
  • Fresh thyme sprigs4 sprigs
  • Fresh rosemary sprigs2 sprigs
  • Lemon, zested and halved1 whole
  • Flat-leaf parsleyleaves finely chopped20 g
  • Fresh chivesfinely sliced10 g
  • Fresh tarragonleaves picked, roughly chopped10 g

Fish & Seafood

  • Thick cod back fillets (dos de cabillaud), skin on, pin-boned4 fillets (180g each)

Dairy & Eggs

  • Unsalted butter, cut into cubes80 g

Tins & Jars

  • Small capers, drainedroughly chopped1 tbsp

Spices & Seasonings

  • Flaky sea salt2 tsp
  • Freshly ground white pepper1 tsp

Oils & Condiments

  • Neutral oil (grapeseed or sunflower)2 tbsp
  • Dijon mustard1 tsp
  • Extra-virgin olive oil2 tbsp

Utensils

  • Ovenproof stainless steel or cast-iron skillet
  • Meat thermometer
  • Fish spatula

Method

1

Pat the cod fillets completely dry with kitchen paper. Score the skin three times at 1 cm intervals with a sharp knife to prevent curling. Season all surfaces with flaky sea salt and white pepper.

Approx. 5 minutes
2

Combine the chopped parsley, chives, tarragon, capers, Dijon mustard, lemon zest, and extra-virgin olive oil in a small bowl. Stir to form a loose herb paste and set aside.

Approx. 5 minutes
3

Preheat your oven to 200°C (180°C fan / 400°F). Place an ovenproof stainless steel or cast-iron skillet over high heat until it just begins to smoke.

Approx. 5 minutes
4

Add the neutral oil to the hot pan, then lay the fillets skin-side down. Press each fillet firmly with a fish spatula for 15 seconds to ensure full skin contact. Cook over high heat for 4 minutes without moving, until the skin is deep golden and releases cleanly from the pan.

Approx. 4 minutes
5

Add the butter, garlic, thyme, and rosemary to the pan. Once the butter foams, tilt the pan and baste the flesh side of each fillet continuously for 1 minute using a large spoon.

Approx. 1 minutes
6

Transfer the pan to the preheated oven and roast for 6–8 minutes, basting once halfway through, until a meat thermometer inserted into the thickest part reads 63°C.

Approx. 7 minutes
7

Remove the pan from the oven and squeeze half the lemon over the fillets. Rest the fish in the pan for 2 minutes; expect the flesh to carry over to around 65–66°C during this time.

Approx. 2 minutes
8

Spoon the herb paste generously over each fillet. Serve immediately with the remaining lemon half cut into wedges alongside.

Approx. 0 minutes