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Boiled Ducks

A boiled duck served with a rich onion and milk sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Flour and milk are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Boiled Ducks

Ingredients

Directions

Prepare

  1. Clean and pluck the duck, ensuring the skin is intact.

  2. Salt the duck for 30 hours before cooking.

  3. Flour a clean white cloth and wrap the duck in it.

Cook and serve

  1. Boil the wrapped duck in water for about 1 hour.

  2. Prepare a rich onion sauce with milk to serve with the duck.

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. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + oniontop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Onion + milktop 20% of all pairs
    Smell alikemoderate
    Cooked together13,418 recipes

    Shared aroma: hexanal (green, grassy).

Flour and milk barely smell alike, yet cooks put them together in 78,219 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
Main protein; its meat firms and cooks through during long boiling.
Onion
Adds savory flavor and aroma to the sauce served with the duck.
Milk
Gives the sauce a smooth, rich body and mild sweetness.

The step that matters

Salt the duck for 30 hours before cooking. Salt slowly penetrates the meat, seasoning it through and altering its texture, so the full salting period is needed for even seasoning before the duck is boiled.

Swap the onion

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

  1. Arrowrootfits better
  2. Potatofits better
  3. Sweet potatofits better
  4. Onionthe original

Fit is the average pairing score against flour, milk. 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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