French

Medium · Hot

Cod en Papillote with Butter and Dill

Sealed in parchment with butter, lemon, dill, and zucchini, the cod steams in its own perfumed atmosphere — a method that forgives nothing and requires nothing, which is a rare combination. Dill here is not decoration; its anise-adjacent warmth marries the lean fish in a way that only works inside an enclosed space where neither flavor can escape the other.

Recipe by

Claude Beaumont

The Bistro Classicist

Prep

20 min

Cook

18 min

Rest

2 min

Total

40 min

Method

Prepare the Butter Sauce

Melt 6 tablespoons of unsalted butter in a light-colored saucepan over medium heat. Watch carefully until the butter turns golden and smells nutty, about 3-4 minutes. This beurre noisette is the secret to depth.

Add the minced yellow onion and reduce heat to medium-low. Sweat gently until completely soft and translucent, about 5 minutes. Do not allow it to color.

Add the garlic and cook for 1 minute until fragrant. Pour in the heavy cream and bring to a gentle simmer. Allow to reduce by one-third, stirring occasionally, about 4-5 minutes.

Remove from heat and stir in the chopped fresh dill. Season with salt and pepper. Set aside and keep warm.

Assemble the En Papillote

Preheat oven to 400°F (200°C). Cut four large heart-shaped pieces of parchment paper, about 16 inches each.

Season the cod fillets lightly with salt and pepper. Place one fillet in the center of each parchment heart.

Spoon the warm butter sauce generously over each fillet. Place 2-3 thin slices of lemon atop each piece of fish, and tuck a dill sprig beside the fish.

Bake and Serve

Fold the parchment over the fish, then fold and crimp the edges tightly to create a sealed packet. This traps steam and aromas inside.

Place packets on a baking sheet and bake for 15-18 minutes, until the cod flakes easily when tested through the parchment.

Transfer each sealed packet to a warmed plate. At the table, cut open with scissors and drizzle the remaining melted butter over the fish before serving. A squeeze of fresh lemon brightens the rich sauce beautifully.

Nutri-Score

Needs balance

A–E · lower is better · score 15

Calories

383

per serving

High in saturated fat · 17gHigh in salt · 1364mgHigh in protein · 24gLow sugar · 3g

Protein

24g

Carbs

Fat

30g

Sat. fat

17g

Fiber

Sugar

Sodium

1364mg

Gluten FreeLow CarbHigh ProteinHeart HealthyDiabetes FriendlyLow Sodium AdjustableOmega 3 Rich

Nutri-Score is a general nutritional-balance guide, not medical or dietary advice.

Flavor Profile

Umami

Sweet

Salty

Sour

Bitter

Spicy

Textures

TenderSilkyFlaky

Aromas

HerbalNuttyCitrusAllium

Kitchen Equipment

Primary Tool

Oven

Saucepan Oven Baking Sheet Chef Knife Cutting BoardKitchen ScissorsParchment Paper

Counter FootprintMedium

Techniques

BrowningSweating Steaming Baking

Safety & Storage

Cooking Temperature

Preheat oven to 400°F (200°C) before baking en papillote packets to ensure safe and even cooking of the cod.
Fish is safely cooked when it flakes easily and reaches an internal temperature of 145°F (63°C). The 15-18 minute bake time at high heat should achieve this.

Cross Contamination

Use separate cutting boards and utensils for raw cod to prevent cross-contamination with other ingredients, especially if serving to guests with fish allergies.

High Risk Population

Pregnant individuals, young children, and immunocompromised persons should ensure fish is cooked to proper temperature before consuming.

Handling

Seal parchment packets tightly by folding and crimping edges to trap steam safely inside. Allow packets to cool slightly before opening to avoid steam burns.

Storage

Refrigerate any leftover fish and butter sauce within 2 hours. Cream-based sauces spoil quickly and should not be left at room temperature for extended periods.

Allergen Warning

Clearly label that this dish contains fish and dairy allergens. Use separate serving utensils when plated for guests with dietary restrictions.

Pro Tips

Technique

When making beurre noisette for this sauce, patience is your best friend. Let the butter turn amber—it should smell like toasted hazelnuts, not just melted. That moment when the milk solids caramelize? That is where the sauce finds its soul.
Sealing your parchment packets properly is non-negotiable for en papillote. Fold and crimp each edge tightly every 2-3 centimeters—you want NO steam escaping. The trapped aromatics is what makes this technique magical, and a poorly sealed packet is simply baked fish.

Substitution

Fresh dill is essential here—I will not negotiate on dried herbs for this dish. But if you find yourself without dill, tarragon makes an elegant substitution that honors the French spirit of the dish, though the flavor profile shifts toward something more anise-forward.

Equipment

Use proper parchment paper, not wax paper—the difference matters. And a light-colored saucepan for the beurre noisette is not mere preference; you need to see the butter's color change clearly to achieve that perfect golden moment.

From the chef

There is a moment in every cook's life when they realize that the most profound techniques are often the simplest. En papillote—cooking sealed within paper—is one of these gifts from classical French cuisine, and I first encountered it not in some grand restaurant kitchen, but at a small bistro table in Provence, watching steam rise when the packet was opened. This cod preparation with beurre noisette and dill is exactly that: it teaches you patience, precision, and the art of letting butter and fresh herbs transform something delicate into something extraordinary—and it does so without requiring you to master a时分 mother sauce first.

Claude BeaumontThe Bistro Classicist

Visit profile

TagsEn PapilloteSteamedButter SauceDillLemonElegant

AllergensFishMilk

Source: generated · May 30, 2026