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Sea Bass in Papillote

This elegant sea bass in papillote is a wonderful way to enjoy fresh fish, lock in moisture, and create a sophisticated meal with minimal effort. Cooking the fillets inside a foil parcel—or 'en papillote'—allows the sea bass to steam in its own juices alongside fragrant thyme, garlic, and zesty lemon. The addition of burst cherry tomatoes and salty capers creates a light, Mediterranean-style sauce that perfectly complements the delicate flavour of the fish.

As a diabetes-friendly main course, this dish is naturally low in carbohydrates and rich in heart-healthy fats from the extra-virgin olive oil. It is an ideal choice for a nutritious midweek dinner or a lighter weekend lunch. Serve it alongside some steamed seasonal greens or a crisp green salad to keep the meal balanced and vibrant. The gentle cooking method ensures the fish remains succulent every time.

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Ingredients for Sea Bass in Papillote

  • 45ml extra-virgin olive oil

  • 4 (170g) fillets black sea bass or striped bass (1/2 to 1 1/4 inches thick) with skin

  • 3/4 teaspoons salt

  • 1/4 teaspoons black pepper

  • 8 thin lemon slices (less than 3/4 inch thick

  • from 1 large lemon)

  • 8 sprigs fresh thyme

  • 2 garlic cloves, very thinly sliced

  • 12 cherry or grape tomatoes, halved

  • 1 1/2 tablespoons drained bottled capers

How to make Sea Bass in Papillote

Put oven rack in middle position and preheat oven to 204°C. Line a large baking sheet with foil, then drizzle with 1 tablespoon oil.

Pat fish dry and sprinkle both sides with salt and pepper. Arrange fillets, skin sides down, in 1 layer in centre of foil on baking sheet and slide 2 lemon slices under each fillet. Arrange 2 thyme sprigs on top of each fillet.

Heat remaining 2 tablespoons oil in a 10-inch heavy skillet over moderately high heat until hot but not smoking, then sauté garlic, stirring occasionally, until pale golden, about 30 seconds. Add tomatoes and a pinch of salt and sauté, stirring occasionally, until tomatoes are softened, about 1 minute. Stir in capers.

Spoon hot tomato mixture over fish, then cover with another sheet of foil, tenting it slightly over fish, and crimp edges together tightly to seal.

Bake until fish is just cooked through, 12 to 15 minutes (depending on thickness of fish); check by removing from oven and carefully lifting up a corner of top sheet of foil, pulling up sides of bottom sheet to keep liquid from running out. If fish is not cooked through, reseal foil and continue to bake, checking every 3 minutes.

Transfer fillets with lemon slices to plates using a spatula (be careful not to tear foil underneath) and spoon tomatoes and juices over top. Serve immediately, discarding thyme before eating.

Clause de non-responsabilité

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.

Historique de l'article

Les informations contenues dans cette page ont été évaluées par des cliniciens qualifiés.

  • 17 janvier 2026 | Publié à l'origine

    Auteur: :

    UK recipe editors

    Examiné par des pairs

    UK recipe editors
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