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Summer Halibut en Papillote Recipe With Lemon Fennel and Saffron Butter That Impresses Every Time

summer halibut en papillote - featured image

A light and elegant halibut dish cooked en papillote with thinly sliced fennel, lemon, and a luxurious saffron butter that locks in moisture and flavor. Perfect for effortless entertaining with fresh, seasonal ingredients.

Ingredients

Scale
  • 4 halibut fillets (about 6 oz / 170g each)
  • 1 medium fennel bulb, thinly sliced
  • 1 large lemon, zested and thinly sliced
  • 2 tablespoons fresh parsley, chopped
  • 4 tablespoons unsalted butter (57g)
  • About 10 saffron threads, soaked in 1 tablespoon warm water for 5 minutes
  • 1 clove garlic, minced
  • Salt and freshly ground black pepper, to taste
  • Optional: 2 tablespoons dry white wine (e.g., Sauvignon Blanc)
  • Optional: 1 tablespoon capers

Instructions

  1. Preheat your oven to 400°F (200°C). Cut four sheets of parchment paper, about 15×15 inches (38×38 cm) each. Fold each sheet in half, then open it back up.
  2. In a small saucepan, melt the butter over low heat. Add the soaked saffron threads along with their soaking water, plus the minced garlic. Stir gently for 2-3 minutes, then remove from heat. Set aside.
  3. On one half of each parchment sheet, layer thin fennel slices, a few lemon slices, and a sprinkle of chopped parsley. Place one halibut fillet on top, skin-side down if it has skin. Season lightly with salt and pepper. Drizzle about a tablespoon of the saffron butter over each fillet. If using, add a splash of white wine and a few capers now.
  4. Fold the other half of the parchment over the fish and vegetables. Starting at one corner, fold the edges tightly together, making small overlapping folds all around to seal the packet completely. This traps the steam inside.
  5. Place the packets on a baking sheet and slide into the oven. Bake until the fish is opaque and flakes easily with a fork. Check at 12 minutes; thinner fillets may need less time.
  6. Bring the packets to the table and cut them open carefully—watch out for hot steam! Serve the halibut right in the parchment with a drizzle of the buttery sauce from the packet.

Notes

Soak saffron threads before use to release flavor and color. Slice fennel and lemon paper-thin for best texture. Seal packets tightly to trap steam and cook fish evenly. Start checking fish doneness at 12 minutes to avoid overcooking. Fresh halibut is preferred but frozen can be used if thawed and patted dry. Leftovers keep well refrigerated for up to 2 days; reheat gently to avoid drying out.

Nutrition

Keywords: halibut, en papillote, saffron butter, lemon fennel, summer fish recipe, healthy fish, easy entertaining, baked fish, light dinner