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To Boil Trout

A boiled trout served with a sauce of drawn butter, vinegar, salt, pepper, and mashed hard-boiled eggs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

To Boil Trout

Ingredients

Directions

Prepare and boil

  1. Dip a cloth in vinegar and spread it on the table. Cover the cloth with flour and place the trout in the center.

  2. Fasten the cloth up closely around the trout and boil for one hour.

Make the sauce

  1. For the sauce, mix drawn butter, vinegar, salt, pepper, and mashed hard-boiled eggs.

Serve

  1. After boiling, pick the fish from the bone and pour the sauce over it. Serve the dish cold.

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Vinegar + peppertop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

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

  3. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Flour + peppertop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter 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

Trout
The main protein, which cooks gently and flakes into tender pieces when boiled.
Hard-boiled eggs
Mashed into the sauce to add body, richness and a creamy texture.
Drawn butter
Provides fat and richness, giving the sauce a smooth, moist mouthfeel.
Vinegar
Adds acidity that sharpens the flavor of the rich butter and egg sauce.

The step that matters

Boiling the wrapped trout. Wrapping the cloth snugly keeps steam around the fish so it cooks evenly. Boiling too long pushes the proteins too far, leaving the flesh dry and tough, so the fish should be checked as it cooks.

“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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