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Mussel Broth

A broth made from mussels, butter, flour, parsley, sweet herbs, and gravy.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Butter and flour 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 ↓

Mussel Broth

Ingredients

Directions

  1. Boil the mussels until they open.

  2. Remove the mussels and place them in another saucepan.

  3. Add a bit of butter rolled in flour, parsley, and sweet herbs.

  4. Pour in some good gravy and let it simmer until reduced by half.

  5. Serve hot.

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + parsleytop 15% of all pairs
    Smell alikemoderate
    Cooked together28,563 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

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

Mussels
Provide the main body and flavor of the soup.
Butter
Adds richness and fat to the soup.
Flour
Thickens the liquid as the butter is worked in.
Gravy
Supplies the savory liquid base that reduces into the soup.

The step that matters

Simmer the gravy until reduced by half. Reducing concentrates flavor and thickens the liquid. Simmering too briefly leaves the soup thin and weak, while boiling too hard can make it taste overly salty or scorched.

Swap the parsley

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

  1. Jalapenofits better
  2. Capersfits better
  3. Nutmegfits better
  4. Parsleythe original

Fit is the average pairing score against butter, flour. 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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