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Cut parchment paper into a 30 × 40 cm rectangle; fold in half lengthwise and crease firmly.
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Open parchment; brush both sides of one half with clarified butter, leaving a 1 cm margin around edges.
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Arrange half the julienned vegetables in a neat bed on the buttered side, centred; place salmon skin-side down on vegetables; season with salt and white pepper.
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Top salmon with remaining vegetables, a sprig of herb, lemon slice, and remaining clarified butter (5 g); drizzle wine around (not over) the fish.
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Fold parchment in half to cover salmon; starting at one corner, fold and crease edges in tight triangular pleats, working toward the opposite corner — seal completely (no steam escape).
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Place parcel on a baking tray; bake at 190°C for 12 minutes; parcel will puff and steam visibly as water converts to vapour under parchment seal.
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Transfer parcel to a warm plate; open carefully at table (aromas release spectacularly) — fish will be opaque, moist, and delicately flavoured with vegetable steam essence.
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KEY PRINCIPLE: Parchment traps steam at 100–110°C; fish cooks gently in own juices without drying. Opening at table releases volatile aromatics — combines taste, smell, and theatre.
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VARIATIONS: Whole fish (20 min), poultry breast (20 min), shellfish (8 min), soft vegetables only (15 min).
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EN PAPILLOTE — Steam Parcel Cookery
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Technique Demonstration | 2 servings | Prep: 12 min | Total: 22 min
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2 white fish fillets (brill, turbot, or halibut — 180 g each)
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100 g seasonal vegetables (julienned: carrot, courgette, leek)
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40 g unsalted butter (cold, cubed)
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30 ml dry white wine (Sauvignon Blanc or Muscadet)
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1 shallot (thinly sliced)
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1 lemon (zest only, microplaned)
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Sea salt and white pepper (to taste)
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2 sheets parchment paper (15 cm × 30 cm, doubled)
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Cut two sheets of parchment paper; fold each in half and cut into large heart shape; unfold.
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Divide julienned vegetables between two parchment sheets, creating small bed slightly off-centre on one half of each heart.
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Season fish fillets with sea salt and white pepper; place on vegetable bed; scatter shallot around fish.
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Distribute cold butter cubes evenly between parcels; pour 15 ml white wine and sprinkle lemon zest over each fillet.
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Fold parchment in half, creating heart shape; beginning at one curved edge, fold and crimp tightly in overlapping folds to seal completely; parcel should be airtight and puffed when sealed correctly.
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Place parcels on baking tray; bake in preheated 200°C (392°F) oven for 10 minutes; parcel will puff dramatically from steam pressure.
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Serve in parcel; diner opens at table, releasing fragrant steam and capturing volatile aromatics.
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PRINCIPLE: Parchment seal traps steam, poaching fish gently in its own moisture and wine reduction; butter emulsifies with juices to create silky sauce.
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For the most dramatic table presentation, seal the parcel with a long, attractive pleat and present on a warm plate — the packet puffs at the table for 2–3 minutes before deflating
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Lightly oil the parchment interior to prevent delicate fish skin from adhering to the paper
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For added flavour, add a small knob of cold butter to each parcel — it melts and emulsifies with the released fish juices, forming a light sauce in the bottom of the packet
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For catering and large-scale service, parcels can be assembled hours in advance and refrigerated — add 2–3 minutes to cooking time for cold-start parcels
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Thin strips of julienned vegetables (leek, fennel, zucchini) cook to perfect tenderness alongside fish in the steam environment