Why it works: Onion and olive are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 29,779 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Canard Aux Olives
Ingredients
Directions
Brown the duck
Melt the butter in a stewpan and add the diced bacon.
Add the duck and brown it evenly.
Remove the duck and bacon, then stir in the flour until it turns a nice brown.
Gradually pour in the boiling water or stock, stirring continuously.
Simmer
Add the bouquet, salt, pepper, and chopped onion, then return the duck and bacon to the pan.
Cover and let it simmer gently on low heat.
Blanch the pitted olives in boiling water for 3-4 minutes.
Add the blanched olives to the duck and simmer for an additional 5 minutes.
Serve
Serve the duck on a hot dish, surrounded by olives, and strain the gravy over the top.
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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Onion + olivetop 8% of all pairsSmell alikemoderateCooked together29,779 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + olivetop 11% of all pairsSmell alikemoderateCooked together30,263 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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 (in the method)
- Provides the main meat, which is browned first and then gently simmered until tender.
- Flour
- Browned in the fat and thickens the stock into a gravy.
- Butter
- Fat for browning the duck and bacon and for cooking the flour.
- Streaky bacon
- Adds savoury, salty fat that flavours the gravy as it renders.
- Spanish olives
- Add a briny, savoury note that contrasts with the rich duck and gravy.
The step that matters
Stirring in the boiling water or stock. Adding liquid gradually while stirring continuously keeps the browned flour smooth; poured in all at once, it can clump into lumps that are hard to whisk out.
Swap the onion
How well each one fits the dish's main ingredients (butter, flour, pepper, olive):
- Capsicumfits better
- Eggplantfits better
- Spinachfits better
- Onionthe original
Fit is the average pairing score against butter, flour, pepper, olive. 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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