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Duckling with Onions

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Duckling with Onions

Oven, in the book's wordsA very hot oven

Ingredients

Directions

The book says “a very hot oven”. The 400°F in the steps is the modern equivalent, not the book's own figure.

  1. Pluck and singe the duckling, wipe it with a wet towel, cut off the head and feet, and draw it without breaking the intestines.

  2. Wash the onions, cut them into half-inch lengths, and boil them in salted water for 5 minutes. Drain.

  3. Mix the onions with bread crumbs, butter, salt, and pepper.

  4. Stuff and truss the duckling, place it in a dripping pan, and roast in a very hot oven (400°F / 200°C) until browned.

  5. Baste the duckling with drippings and bake for about 30 minutes or until done.

  6. Transfer the duckling to a hot dish. In the pan, stir in flour and brown it.

  7. Add boiling water to the browned flour, season the gravy with salt and pepper, and let it boil briefly before serving with the duckling.

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

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

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: decanal (soap, orange peel).

  4. Onion + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Pepper + flourtop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Swap the onion

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

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

Fit is the average pairing score against butter, pepper, flour. Candidates are from the same food group and used in at least 100 recipes.

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