Skip to main content

Slow-Roasted Char with Fennel Salad

This slow-roasted arctic char with fennel salad is an elegant high-protein dish that relies on gentle temperatures to achieve a melt-in-the-mouth texture. By cooking the fish slowly in a moderate oven, the delicate oils of the char or salmon are preserved, resulting in a succulent finish that contrasts beautifully with the bright, acidic notes of the salad. The caraway seeds and preserved lemon offer a sophisticated flavour profile that elevates the fish without overpowering its natural sweetness.

Perfect for a light lunch or a nutritious evening meal, this dish is as healthy as it is vibrant. The combination of quick-pickled fennel and fresh dill provides a refreshing crunch that cuts through the richness of the fish. Prepare the pickled garlic and fennel components up to a day in advance for a quick yet impressive homemade meal that is naturally rich in essential omega-3 fatty acids.

Video picks

Continue reading below

Ingredients for Slow-Roasted Char with Fennel Salad

  • 120ml unseasoned rice vinegar

  • 1 tablespoon sugar

  • 1 teaspoon caraway seeds

  • 2 teaspoons kosher salt, plus more

  • 6 garlic cloves, thinly sliced

  • 1 small fennel bulb, thinly sliced on a mandoline, divided

  • 575g arctic char or salmon fillet

  • 4 tablespoons olive oil, divided

  • Freshly ground black pepper

  • 1 tablespoon fresh lemon juice

  • 1 tablespoon chopped preserved lemon peel

  • 1/2 cup dill fronds

Preheat oven to 149°C. Bring vinegar, sugar, caraway seeds, 2 teaspoons salt, and 80ml water in a small saucepan to a simmer over medium heat, stirring to dissolve sugar. Remove from heat and add garlic. Let sit until garlic is slightly softened, 10–15 minutes.

Add half of fennel and toss to coat. Let sit until fennel softens slightly and tastes pickled, 8–10 minutes.

Meanwhile, place char in a 2- or 3-qt. baking dish and coat with 1 tablespoon oil; season with salt and pepper. Roast until flesh easily flakes apart and a paring knife inserted into fish meets no resistance, 15–18 minutes.

Drain fennel mixture; discard liquid. Toss in a small bowl with lemon juice, preserved lemon, remaining 3 tablespoons oil, and remaining fennel; season with salt and pepper. Mix in dill.

Serve char topped with fennel salad.

Garlic and fennel can be pickled 1 day ahead. Cover and chill.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Article history

The information on this page is peer reviewed by qualified clinicians.

  • 28 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
flu eligibility checker

Ask, share, connect.

Browse discussions, ask questions, and share experiences across hundreds of health topics.

symptom checker

Feeling unwell?

Assess your symptoms online for free

Sign up to the Patient newsletter

Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.

Please enter a valid email address

By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.