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Trout a-LA-Genevoise

A whole trout cooked in Champagne and wine with herbs, thickened with flour and butter, served with fried bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 14 ingredients
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Why it works: Champagne and sherry share more aroma than cooks usually use. They rank in the top 1% of all ingredient pairs, and 60 recipes mention both. Both carry ethyl isobutyrate, which smells fruity, ethereal. The science ↓

The recipe

Ingredients

Contains: milk, wheat, fish (auto-detected from the ingredients and method; we can miss things, so check labels)

Directions

Poach the trout

  1. Place the cleaned trout in a stew pan.

  2. Add Champagne and wine, season with pepper, salt, onion, cloves, parsley, and thyme.

  3. Add the crust of French bread and set on high heat.

  4. Once the fish is cooked, remove the bread and crush it.

Make the sauce and serve

  1. Thicken the sauce with flour and butter, then let it boil.

  2. Ensure the sauce is the right thickness.

  3. Place the fish on a serving dish and pour the sauce over it.

  4. Garnish with sliced lemon and serve with fried bread.

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 aroma chemistry they share, and how many recipes mention both.

  1. Champagne + sherrytop 1% of all pairs
    Aroma overlapstrong
    Mentioned together60 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  2. Parsley + thymetop 1% of all pairs
    Aroma overlapstrong
    Mentioned together9,057 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

  3. Pepper + parsleytop 2% of all pairs
    Aroma overlapstrong
    Mentioned together34,118 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Pepper + thymetop 3% of all pairs
    Aroma overlapstrong
    Mentioned together11,585 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  5. Clove + thymetop 3% of all pairs
    Aroma overlapstrong
    Mentioned together3,210 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

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

What each ingredient does

Flour
Thickens the sauce as it cooks, giving it body.
Butter
Adds richness and fat that smooths the thickened sauce.
French bread crust
Soaked in the cooking liquid and crushed, it helps thicken and flavour the sauce.
Champagne
Provides acidity and aroma as the base of the poaching liquid.

The step that matters

Ensure the sauce is the right thickness. Flour thickens as it heats and needs to boil to reach full thickening power; if too thin or too thick, the sauce will not coat the fish properly.

Flavor stand-ins for the onion

How well each one fits the dish's main ingredients (champagne, sherry, pepper, clove, parsley, thyme, bread):

  1. Carrotbetter flavor fit
  2. Capsicumbetter flavor fit
  3. Tomatobetter flavor fit
  4. Onionthe original

Fit is the average pairing score against champagne, sherry, pepper, clove, parsley, thyme, bread. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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