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Dressed John Dory

Eels simmered in lemon, parsley, and pepper, served with optional sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 13 ingredients
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Why it works: Lemon and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Dressed John Dory

Ingredients

Directions

Prepare the poaching liquid

  1. Remove the outer and inner skin from the lemons and divide them into portions without disturbing the juice.

  2. In a saucepan, combine the lemon portions, water, parsley, white peppercorns, mace, cayenne, and salt.

  3. Bring the mixture to a boil, then reduce heat and simmer for 15 minutes.

Poach the eels

  1. Allow the mixture to cool, then add the eels cut into equal lengths.

  2. Gently boil the eels for 15 minutes, then remove them from the pot.

Serve

  1. Serve the eels with Dutch sauce, or thicken the cooking liquid with cream or a flour‑butter mixture.

  2. Garnish with diced lemon peel and minced parsley.

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. Lemon + parsleytop 1% of all pairs
    Smell alikestrong
    Cooked together14,037 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

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

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

  3. Lemon + peppertop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  4. Cream + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

  5. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter 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

Eels
Provide the main flesh, which firms and turns opaque as it gently poaches.
Lemons
Add acidity and aroma to the poaching liquid, brightening the mild fish.
Cream
Adds richness and body to the cooking liquid if used to thicken it.
Flour and butter
Thicken the cooking liquid into a smooth, lightly rich sauce if used.

The step that matters

Gently boil the eels. Vigorous boiling can break up the delicate flesh and toughen it, so the eels should be kept at a gentle simmer-like heat so they cook evenly and stay intact.

Swap the mace

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

  1. Tarragonfits better
  2. Thymefits better
  3. Marjoramfits better
  4. Macethe original

Fit is the average pairing score against lemon, parsley, pepper, cream, flour, 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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