- 2 cod loins, approx. 6 oz (170 g) each (torskrygg) - 2 tbsp (30 g) butter - 1 tbsp (15 ml) vegetable oil - Salt and freshly ground black pepper, to taste - 1 cup (240 ml) heavy cream - 1/3 cup (80 ml) dry white wine - 1 tbsp (15 ml) Dijon mustard - 1 tbsp (15 ml) whole-grain mustard - 2 tbsp (30 g) chopped fresh dill - 1 small shallot, minced (about 1 oz / 30 g) - 1 tbsp (15 g) capers, drained - 1 lb (450 g) small new potatoes - 2 tbsp (30 g) butter (for potatoes) - 1 large leek, white and light green parts only, sliced thin (about 6 oz / 170 g) - 1 tbsp (15 ml) lemon juice - 1 tbsp (15 ml) chopped fresh parsley (optional)
1. Parboil the new potatoes in salted water until just tender, about 12–15 minutes; drain, toss with 2 tbsp (30 g) butter and keep warm. 2. Pat the cod loins dry, season both sides with salt and pepper. Heat 1 tbsp (15 ml) vegetable oil and 2 tbsp (30 g) butter in a large skillet over medium-high heat until foaming. 3. Sear the cod loins skin-side down if skin is on, 3–4 minutes until golden; carefully flip and cook another 2–3 minutes until just opaque (internal temperature ~130–135°F / 55–57°C). Transfer fish to a warm plate, tent loosely. 4. In the same skillet, reduce heat to medium, add the minced shallot and sliced leek; sauté 3–4 minutes until softened and translucent. 5. Deglaze the pan with 1/3 cup (80 ml) dry white wine, scraping up browned bits; cook down 1–2 minutes. 6. Stir in 1 cup (240 ml) heavy cream, 1 tbsp (15 ml) Dijon mustard, 1 tbsp (15 ml) whole-grain mustard, and 1 tbsp (15 ml) lemon juice. Simmer gently until sauce thickens slightly, about 3–5 minutes. 7. Add 2 tbsp (30 g) chopped fresh dill and 1 tbsp (15 g) capers; taste and adjust seasoning with salt and pepper. 8. Return cod to the pan briefly to warm through and coat with sauce, 1 minute. Spoon sauce over cod, garnish with parsley if using, and serve with buttered new potatoes and extra dill.
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