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Roast Ducks

Roast Ducks is a dish of whole ducks seasoned with salt, pepper, butter, and flour, baked until cooked.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Pepper and celery match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 16,012 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Roast Ducks

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the duck

  1. Pick, singe, and remove the crop, entrails, oil bag, legs, and pinions from the duck.

  2. Wipe the duck clean and truss it.

  3. Dredge the duck with coarse sea salt, black pepper, butter, and flour.

Bake and serve

  1. Bake in a hot oven at 400°F (200°C) for 20 minutes if you like it rare, or 30 minutes for well done.

  2. Serve with olive sauce and green peas.

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. Pepper + celerytop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

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

  2. Celery + oniontop 7% of all pairs
    Smell alikemoderate
    Cooked together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Apple + celerytop 11% of all pairs
    Smell alikemoderate
    Cooked together1,155 recipes

    Shared aroma: 2-methoxy-4-vinylphenol (clove, smoky).

  4. Pepper + oniontop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

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

What each ingredient does

Duck
Is the main protein, cooked whole so its fat renders and its meat firms as it roasts.
Butter
Adds fat that carries seasoning and promotes browning on the skin.
Flour
Coats the skin so it dries slightly and browns more evenly in the oven.

The step that matters

Judging doneness by baking time. The record gives 20 minutes for rare and 30 minutes for well done, but a duck's size and oven variation change how fast it cooks. Checking the internal temperature of the thickest part of the meat is the more reliable way to avoid overcooking or undercooking the bird.

Swap the apple

The recipe marks apple as optional. How well each one fits the dish's main ingredients (pepper, butter, flour, celery, onion):

  1. Lemonfits better
  2. Avocadofits better
  3. Limefits better
  4. Applethe original

Fit is the average pairing score against pepper, butter, flour, celery, onion. 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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