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Salmon Soup

A creamy soup made with onion, milk, flour, butter, and salmon.

From an old cookbook · modernised transcription
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Salmon Soup

Ingredients

Directions

Make the base

  1. Cook the grated onion in the milk for 10 minutes.

  2. In a separate pan, cook the flour with the butter until well combined.

Finish the soup

  1. Season the mixture, then add the chopped salmon.

  2. Cook everything together for another 10 minutes.

  3. Strain the soup and serve immediately.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Butter + salmontop 16% of all pairs
    Smell alikemoderate
    Cooked together4,481 recipes

    Shared aroma: 2,6-nonadienal (cucumber, 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

Milk
Forms the liquid base and adds richness and body to the soup.
Salmon
Provides the main fish flavor and texture of the soup.
Flour
Thickens the soup when cooked with butter.
Butter
Adds fat and richness, helping carry flavor through the soup.
Onion
Adds aromatic sweetness as it softens into the milk.

Swap the onion

How well each one fits the dish's main ingredients (milk, flour, butter, salmon):

  1. Chivefits better
  2. Potatofits better
  3. Asparagusfits better
  4. Onionthe original

Fit is the average pairing score against milk, flour, butter, salmon. 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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