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Brunoise Soup

A clear soup made with soup meat, bone, vegetables, butter, and seasonings, simmered until tender.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Turnip and leek match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,046 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Brunoise Soup

Ingredients

Directions

Start the broth

  1. Put the soup meat and bone in a pot with 2 quarts of cold water and bring to a boil, skimming off any foam.

  2. Peel and dice the vegetables into half-inch squares.

Build the soup

  1. Brown the diced vegetables in butter with powdered sugar and black pepper.

  2. Make a bouquet garni with herbs and add it to the vegetables.

  3. Remove the meat from the pot.

  4. Add the meat to the vegetables.

  5. Strain the broth into the mixture.

  6. Season with salt.

Simmer and serve

  1. Simmer until the meat and vegetables are tender.

  2. Remove the meat and bouquet garni.

  3. Serve the soup 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. Turnip + leektop 1% of all pairs
    Smell alikestrong
    Cooked together1,046 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Carrot + celerytop 1% of all pairs
    Smell alikestrong
    Cooked together10,173 recipes

    Shared aroma: myristicin (spice, warm).

  3. Carrot + turniptop 1% of all pairs
    Smell alikestrong
    Cooked together8,002 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Turnip + celerytop 2% of all pairs
    Smell alikemoderate
    Cooked together4,418 recipes

    Shared aroma: coumarin (sweet, hay).

  5. Carrot + leektop 3% of all pairs
    Smell alikestrong
    Cooked together1,310 recipes

    Shared aroma: coumarin (sweet, hay).

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

What each ingredient does

Soup meat and bone
Releases flavor and gelatin into the water, giving the broth body and depth.
Butter
Carries heat to the vegetables and adds richness and a rounded flavor.
Powdered sugar
Promotes browning on the vegetables and adds a touch of sweetness.
Carrots
Add sweetness and color, and soften to a tender texture as they simmer.
Onion
Forms the aromatic base of the soup as it browns and cooks down.
Turnip
Adds a mild, slightly peppery flavor and a tender, firm texture.

The step that matters

Browning the diced vegetables in butter with sugar. Browning depends on Maillard reactions and caramelization, which build color and savory depth. If the heat is too high or the pan is crowded, the vegetables scorch or steam instead, leaving a bitter taste or a pale, flat flavor.

Swap the onion

How well each one fits the dish's main ingredients (meat, butter, carrot, turnip, leek, celery, sugar):

  1. Parsnipfits better
  2. Beetrootfits better
  3. Shallotfits better
  4. Onionthe original

Fit is the average pairing score against meat, butter, carrot, turnip, leek, celery, sugar. 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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