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Hasty Soup

A quick salmon soup made with butter, flour, milk, and seasonings.

From an old cookbook · modernised transcription
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Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Hasty Soup

Ingredients

Directions

  1. Blend the butter and flour in a saucepan.

  2. Stir in the boiling milk gradually.

  3. Season with salt, pepper, parsley, and kitchen bouquet.

  4. Chop the salmon finely and add it to the mixture.

  5. Allow the soup to boil once and then serve.

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. Pepper + parsleytop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

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

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + parsleytop 12% of all pairs
    Smell alikemoderate
    Cooked together16,675 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Butter
Adds richness and fat, and helps form the base with the flour.
Flour
Thickens the milk into a smooth, creamy body when blended with butter.
Milk
Forms the liquid base of the soup, giving it a creamy texture.
Salmon
Provides the main protein and flavour of the soup.

The step that matters

Adding the boiling milk gradually. Pouring hot milk in slowly while stirring keeps the flour from clumping, so the butter-flour roux blends into a smooth, even sauce.

Swap the parsley

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

  1. Nutmegfits about as well
  2. Parsleythe original
  3. Cinnamonfits about as well
  4. Capersfits about as well

Fit is the average pairing score against butter, flour, milk, pepper, 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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