Why it works: Mushroom and truffle are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 1,900 recipes. Both carry 2,4-nonadienal, which smells fatty, green. The science ↓
Spanish Sauce
Ingredients
Directions
Prepare
Boil the chestnuts and button onions until tender.
Peel the chestnuts.
Boil or fry the sweetbread, then cut it into pieces.
Make the sauce
Add the sweetbread, force-meat balls, mushrooms, truffles, brown sauce, and tarragon vinegar to a pot.
Simmer all ingredients together and season with salt and pepper.
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.
Photo for illustrative purposes only · Contact us to use it
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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Mushroom + truffletop 4% of all pairsSmell alikemoderateCooked together1,900 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
-
Chestnut + tarragontop 5% of all pairsSmell alikestrongCooked together44 recipes
Shared aroma: coumarin (sweet, hay).
-
Tarragon + vinegartop 7% of all pairsSmell alikemoderateCooked together2,547 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Chestnut + mushroomtop 9% of all pairsSmell alikemoderateCooked together474 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Onion + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Chestnuts
- Provide starchy body and a mild, sweet flavour to the sauce.
- Sweetbread
- Adds a rich, tender meaty texture to the sauce.
- Brown sauce
- Forms the savoury base that carries the other ingredients.
- Truffles
- Contribute a strong earthy aroma.
- Tarragon vinegar
- Adds acidity that brightens the rich sauce.
Swap the onion
How well each one fits the dish's main ingredients (chestnut, meat, mushroom, truffle, sauce, tarragon, vinegar):
- Shallotfits better
- Mustardfits better
- Asparagusfits better
- Onionthe original
Fit is the average pairing score against chestnut, meat, mushroom, truffle, sauce, tarragon, vinegar. 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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