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Cod a LA Religieuse

Cod served with Bechamel or egg sauce, garnished with boiled parsnips, optionally topped with oysters.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Egg and oyster match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 4,093 recipes mention both. Both carry 2-nonenal, which smells fatty, green. The science ↓

The recipe

Ingredients

Contains: egg, fish, shellfish (auto-detected from the ingredients and method; we can miss things, so check labels)

Directions

Prepare the cod

  1. Boil the cod until cooked, or use cold leftovers.

  2. Break the cod into flakes.

Make and serve

  1. In a saucepan, combine the cod with Bechamel or egg sauce and heat over low fire.

  2. Garnish with boiled parsnips and serve.

  3. For added flavor, include a few oysters.

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 aroma chemistry they share, and how many recipes mention both.

  1. Egg + oystertop 5% of all pairs
    Aroma overlapstrong
    Mentioned together4,093 recipes

    Shared aroma: 2-nonenal (fatty, green).

  2. Parsnip + oystertop 21% of all pairs
    Aroma overlaplow
    Mentioned together44 recipes

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

  3. Egg + parsniptop 24% of all pairs
    Aroma overlaplow
    Mentioned together438 recipes

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

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

What each ingredient does

Cod
Forms the flaky main body of the dish, providing its protein and substance.
Bechamel or egg sauce
Binds the flaked fish together and adds creaminess and moisture.
Boiled parsnips
Adds a soft, mildly sweet vegetable element as a garnish.

Flavor stand-ins for the parsnip

How well each one fits the dish's main ingredients (egg, oyster):

  1. Cucumberbetter flavor fit
  2. Asparagusbetter flavor fit
  3. Shallotbetter flavor fit
  4. Parsnipthe original

Fit is the average pairing score against egg, oyster. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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