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Fish Ragout

A fish stew baked in scalloped shells with a butter‑lemon sauce and topped with bread, Parmesan, and butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 14 ingredients
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Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Fish Ragout

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the fish

  1. Wash and dry the fish, then remove its skin and bones.

  2. Cut the fish into small square pieces and season with coarse sea salt.

  3. Stew the fish in butter and lemon juice over gentle heat until cooked.

  4. Place the cooked fish in a colander to drain excess liquid.

Make the sauce

  1. In a saucepan, make a stiff sauce by combining flour, butter, coarse sea salt, bouillon, and extract of beef.

  2. Remove from heat and mix in the egg yolks and sardelle butter carefully.

  3. Gently combine the sauce with the fish, being careful not to break the pieces.

Fill and bake

  1. Fill large scalloped shells with the fish mixture.

  2. Sprinkle with crushed bread and Parmesan cheese, then top each shell with a small piece of butter.

  3. Bake in a preheated oven at 350°F (175°C) until light brown.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Butter + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  2. Fish + breadtop 10% of all pairs
    Smell alikemoderate
    Cooked together1,668 recipes

    Shared aroma: 2-undecenal (sweet).

  3. Fish + buttertop 12% of all pairs
    Smell alikemoderate
    Cooked together4,488 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Beef + breadtop 13% of all pairs
    Smell alikemoderate
    Cooked together4,032 recipes

    Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).

Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Fish
Forms the main body of the ragout, providing the flaky texture and flavour.
Flour
Thickens the butter and bouillon into a stiff sauce that holds the fish together.
Egg yolks
Enrich the sauce and help it set, adding body and richness when heated.
Butter
Adds fat for richness and moisture, and helps cook the fish gently without drying it.
Bouillon
Supplies the liquid for the sauce and adds savoury depth.
Parmesan cheese
Melts and browns on top, adding savoury flavour and a golden crust.

The step that matters

Gently combine the sauce with the fish. Folding rather than stirring keeps the delicate fish pieces intact. Broken fish releases more liquid and gives a mushy, uneven texture after baking.

Swap the lemon

How well each one fits the dish's main ingredients (fish, butter, flour, sauce, beef, egg, bread):

  1. Raisinfits about as well
  2. Coconutfits about as well
  3. Lemonthe original
  4. Figfits about as well

Fit is the average pairing score against fish, butter, flour, sauce, beef, egg, bread. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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