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Ducks with Onion Sauce

Ducks simmered in milk and served with a sauce of onions, butter, and cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Pepper and sage match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 5,388 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Ducks with Onion Sauce

Ingredients

Directions

Prepare the ducks

  1. Scald and draw the ducks. Soak them in warm water for a few minutes.

  2. Place the ducks in an earthen pot and pour boiling milk over them. Let them sit for 2-3 hours.

Cook the ducks

  1. Remove the ducks, dredge them with flour, and place them in cold water. Cover and boil slowly for 20 minutes.

Make the onion sauce

  1. Boil the onions, changing the water 2-3 times. Chop the onions to prevent discoloration.

  2. Combine chopped onions, butter, and thick cream in a saucepan. Boil briefly and pour over the ducks.

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 + sagetop 3% of all pairs
    Smell alikestrong
    Cooked together5,388 recipes

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

  2. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

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

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

  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

Ducks
The main protein, which is cooked gently until tender.
Onions
Provide the bulk and mild sweetness of the sauce.
Butter
Adds fat for richness and a smooth, rounded flavor to the sauce.
Thick cream
Adds richness and a silky texture to the onion sauce.

The step that matters

Boil the ducks slowly. A gentle simmer cooks the meat through while keeping it tender. A hard, rolling boil toughens the meat and can break it apart.

Swap the onion

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

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

Fit is the average pairing score against milk, flour, butter, cream, pepper, sage. 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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