How to Cook Cod with Parsley Sauce

How to Cook Cod with Parsley Sauce is a medium British recipe that serves 4. 350 calories per serving. Recipe by Rick Stein Restaurants on YouTube.

Prep: 8 min | Cook: 25 min | Total: 43 min

Cost: $15.50 total, $3.88 per serving

Ingredients

  • 600 g Cod Fillets (thick, skinless, preferably fresh)
  • 1 liter Water (for poaching)
  • 2 tsp Salt (kosher or sea salt)
  • 30 g Fresh Parsley (finely chopped)
  • 80 g Unsalted Butter (divided: 15 g for roux, 30‑40 g at end)
  • 12 g All-Purpose Flour (for roux)
  • 200 ml Whole Milk (full‑cream milk)
  • 70 ml Heavy Cream (add at end for richness)
  • 1 tbsp Lemon Juice (freshly squeezed)

Instructions

  1. Prepare poaching liquid

    Fill a large pot with 1 liter water, add 2 tsp salt, and bring to a gentle simmer over medium heat for about 5 minutes.

    Time: PT5M

  2. Poach the cod

    Reduce heat, add the cod fillets, bring the water to a boil quickly (≈2 minutes), then turn off the heat and let the fish sit in the residual heat for about 5 minutes until opaque and the internal temperature reaches 60 °C.

    Time: PT7M

  3. Chop parsley

    While the cod poaches, finely chop the fresh parsley on a cutting board.

    Time: PT3M

  4. Make roux

    In a saucepan melt 15 g butter over medium heat, sprinkle 12 g flour, and stir continuously until the mixture turns a light nutty aroma (about 2 minutes).

    Time: PT2M

  5. Add milk and thicken

    Gradually whisk in 200 ml whole milk, stirring constantly. Allow the sauce to come to a gentle simmer and thicken for about 3 minutes.

    Time: PT3M

  6. Incorporate poaching liquid

    Ladle about 100 ml of the cod poaching liquid (stock) into the sauce and stir to combine.

    Time: PT1M

  7. Add cream and reduce

    Stir in 50 ml heavy cream, then let the sauce simmer gently for 2 minutes to reduce and become richer.

    Time: PT2M

  8. Finish with butter

    Add the remaining 30‑40 g butter, whisk until melted and fully incorporated, creating a glossy finish.

    Time: PT1M

  9. Season and add parsley

    Season with a splash of lemon juice, taste and adjust salt if needed, then stir in the chopped parsley. Remove from heat.

    Time: PT1M

  10. Serve

    Plate the poached cod, spoon over the parsley‑cream sauce, and serve immediately on warm plates.

    Time: PT1M

Nutrition Facts

Calories
350
Protein
25 g
Carbohydrates
5 g
Fat
20 g
Fiber
0 g

Dietary info: Pescatarian, Contains gluten, Contains dairy

Allergens: Fish, Dairy, Gluten

Last updated: April 17, 2026

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How to Cook Cod with Parsley Sauce

Recipe by Rick Stein Restaurants

A refined British seafood classic: thick cod fillets poached gently in seasoned water, served with a velvety parsley‑cream sauce made from a butter‑flour roux, milk, cream and a splash of lemon. Perfect for a relaxed dinner or special occasion.

MediumBritishServes 4

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Source Video
9m
Prep
17m
Cook
10m
Cleanup
36m
Total

Cost Breakdown

$15.50
Total cost
$3.88
Per serving

Critical Success Points

  • Poaching cod using residual heat to avoid overcooking
  • Cooking roux until nutty without burning
  • Gradually adding milk to prevent lumps
  • Finishing sauce with butter for gloss and richness
  • Adding parsley at the end to preserve colour

Safety Warnings

  • Handle hot water and boiling liquid with care to avoid burns.
  • Use the temperature probe safely; keep it away from open flames.
  • Butter and cream can splatter; stir gently.
  • Sharp knife when chopping parsley.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of Classic Cod in Parsley Sauce in British cuisine?

A

Cod in parsley sauce is a classic British seaside dish that dates back to the 19th‑century when cod was abundant and inexpensive. The addition of a rich parsley‑cream velouté reflects the Victorian love of buttery sauces and the British tradition of serving fish with a bright herb garnish.

cultural
Q

What are the traditional regional variations of cod in parsley sauce within the United Kingdom?

A

In Cornwall the sauce may include a splash of local cider, while in Scotland a touch of whisky is sometimes added. Some northern English versions swap parsley for chives or add a pinch of mustard powder for extra bite.

cultural
Q

How is Classic Cod in Parsley Sauce traditionally served in British coastal restaurants?

A

It is usually plated on a warm dish with the poached cod fillet on top of a smooth parsley‑cream sauce, accompanied by boiled new potatoes, buttered peas, or crusty soda bread to mop up the sauce.

cultural
Q

On what occasions is Classic Cod in Parsley Sauce traditionally enjoyed in British culture?

A

The dish is popular for family Sunday lunches, holiday gatherings such as Christmas Eve, and as a comforting meal on rainy coastal evenings when fresh fish is at its peak.

cultural
Q

How does Classic Cod in Parsley Sauce fit into the broader British seafood tradition?

A

It exemplifies the British approach of treating simple, fresh fish with a luxurious, dairy‑rich sauce, balancing the mild flavour of cod with the herbaceous freshness of parsley and the richness of butter and cream.

cultural
Q

What are the authentic traditional ingredients for Classic Cod in Parsley Sauce versus acceptable substitutes?

A

Authentic ingredients include thick cod fillet, fresh flat‑leaf parsley, unsalted butter, all‑purpose flour, whole milk, heavy cream, and a splash of lemon juice. Acceptable substitutes are halibut or haddock for the fish, 2 % milk for the whole milk, and half‑and‑half for the cream.

cultural
Q

What other British dishes pair well with Classic Cod in Parsley Sauce?

A

It pairs beautifully with classic sides such as boiled new potatoes, buttered peas, steamed asparagus, or a simple green salad dressed with a light vinaigrette. A glass of crisp English white wine, like a Sauvignon Blanc, complements the richness.

cultural
Q

What makes Classic Cod in Parsley Sauce special or unique in British cuisine?

A

The dish combines the delicate texture of poached cod with a velvety, butter‑flour‑milk velouté brightened by parsley and lemon, creating a balance of richness and freshness that is quintessentially British yet elegant enough for fine dining.

cultural
Q

What are the most common mistakes to avoid when making Classic Cod in Parsley Sauce?

A

Common errors include over‑cooking the cod by boiling it instead of using residual heat, burning the roux before adding milk, and adding cream or butter when the sauce is too hot, which can cause it to split.

technical
Q

Why does this Classic Cod in Parsley Sauce recipe use a roux‑based velouté instead of a simple butter‑cream sauce?

A

The roux creates a stable thickening base that prevents the sauce from separating when milk and cream are added, giving a smooth, glossy texture that coats the back of a spoon – something a straight butter‑cream mixture can struggle to achieve.

technical
Q

What does the YouTube channel Rick Stein Restaurants specialize in?

A

The YouTube channel Rick Stein Restaurants specializes in showcasing classic and contemporary British seafood dishes, often featuring recipes from Rick Stein's own restaurants, with a focus on fresh, high‑quality ingredients and clear, step‑by‑step cooking techniques.

channel
Q

How does the YouTube channel Rick Stein Restaurants' approach to British seafood cooking differ from other cooking channels?

A

Rick Stein Restaurants emphasizes traditional British flavours, precise poaching techniques, and the use of classic sauces like velouté, while many other channels may rely on quicker, high‑heat methods or fusion twists. Stein’s style is rooted in respect for the ingredient’s natural taste.

channel

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