Why it works: Bread and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Roast Duck
Ingredients
Directions
Prepare
Clean and prepare the ducks as you would other poultry.
In a bowl, mix the bread crumbs, butter, chopped onion, pepper, and salt.
Season the ducks inside and out with pepper and salt.
Fill the ducks with the dressing and skewer them tightly.
Roast and serve
Place the ducks in a pan, back side up, and dredge with a little flour.
Add enough water to the pan to make gravy.
Roast until nicely browned, turning them over halfway through.
Baste frequently and serve hot with cranberry sauce.
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.
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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Pepper + cranberrytop 11% of all pairsSmell alikemoderateCooked together218 recipes
Shared aroma: ethyl 2-methylbutyrate (fruity, apple).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Bread + cranberrytop 14% of all pairsSmell alikemoderateCooked together69 recipes
Shared aroma: 2-undecenal (sweet).
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
- Ducks
- Provide the main meat, whose fat renders during roasting and crisps the skin.
- Bread crumbs
- Soak up butter and juices in the dressing, keeping the stuffing moist and tender.
- Butter
- Adds fat that enriches the dressing and promotes browning on the skin.
- Flour
- Dredging coats the skin lightly, helping it brown and thickening the pan juices for gravy.
The step that matters
Roast until nicely browned, turning halfway through. Duck skin has a thick fat layer that must render slowly. Turning the birds and basting help the fat drain and the skin brown evenly, while the dressing cooks through without drying out.
Swap the onion
How well each one fits the dish's main ingredients (bread, butter, pepper, flour, cranberry, sauce):
- Shallotfits better
- Capsicumfits better
- Spinachfits better
- Onionthe original
Fit is the average pairing score against bread, butter, pepper, flour, cranberry, sauce. 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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