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Water Souchy

A fish stock made from flounder, onions, parsley, and water, seasoned with pepper and salt, served with bread and butter.

From an old cookbook · modernised transcription
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Why it works: Parsley and pepper 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 ↓

Water Souchy

Ingredients

Directions

Make the stock

  1. Make a stock by boiling flounders, onions, and parsley in water until soft enough to pulp through a sieve.

  2. Season the stock with pepper, salt, and chopped parsley.

Serve

  1. Boil additional flounders or cleaned perch or tench in the seasoned stock.

  2. Serve in a tureen with slices of bread and butter.

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. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

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

  2. Bread + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  3. Onion + parsleytop 9% of all pairs
    Smell alikemoderate
    Cooked together25,843 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  4. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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

    Shared aroma: decanal (soap, orange peel).

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

What each ingredient does

Flounders
Provide the main flavour and body of the stock as they break down while boiling.
Onions
Add sweetness and savoury depth to the stock as they cook down.
Parsley
Adds a fresh, herbal aroma to the stock.

Swap the onion

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

  1. Carrotfits better
  2. Shallotfits better
  3. Capsicumfits better
  4. Onionthe original

Fit is the average pairing score against parsley, pepper, bread, butter. 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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