Why it works: Chestnut and flour match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 517 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Chestnut Soup
Ingredients
Directions
Make the soup base
Cook chestnuts in cold water until tender.
Press chestnuts through a sieve.
Add scalded milk to the chestnut mixture.
Cook onion in butter or drippings for five minutes.
Add flour, seasonings, and chestnut mixture to the onion.
Cook for five minutes.
Add milk.
Finish and serve
Strain the soup.
Serve.
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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Chestnut + flourtop 6% of all pairsSmell alikestrongCooked together517 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Onion + celerytop 7% of all pairsSmell alikemoderateCooked together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Chestnut + celerytop 8% of all pairsSmell alikemoderateCooked together231 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Chestnut + oniontop 10% of all pairsSmell alikestrongCooked together696 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Chestnuts
- Provide the main body and starchy, creamy texture of the soup once pressed through a sieve.
- Butter or drippings
- Cook the onion gently and carry flavor through the soup base.
- Flour
- Thickens the soup as it cooks with the milk and chestnut mixture.
- Milk
- Adds richness and a smooth, creamy body to the soup.
The step that matters
Add flour, seasonings, and chestnut mixture to the onion. Flour must be cooked into the fat before liquid is added, or it stays raw-tasting and forms lumps. Cooking it briefly lets it thicken the soup smoothly.
Swap the celery
How well each one fits the dish's main ingredients (chestnut, onion, milk, butter, flour):
- Cinnamonfits better
- Capersfits better
- Nutmegfits better
- Celerythe original
Fit is the average pairing score against chestnut, onion, milk, butter, flour. 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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