Why it works: Cream and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Celery Soup
Ingredients
Directions
Boil the chopped celery in salted water until tender.
In a separate pan, melt the butter, then add the flour and cook for a minute.
Add the butter-flour mixture to the celery stock to thicken the soup.
Stir in the cream or milk, and season with salt and white 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.
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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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Celery + flourtop 15% of all pairsSmell alikemoderateCooked together6,905 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Celery + white peppertop 17% of all pairsSmell alikelowCooked together853 recipes
Shared aroma: myrcene (balsamic, herbaceous).
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Celery + creamtop 18% of all pairsSmell alikelowCooked together3,863 recipes
Shared aroma: gamma-decalactone (peach, creamy).
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
- Celery
- Provides the main flavor and body of the soup as it simmers tender in the stock.
- Butter
- Carries the flour and adds richness to the roux that thickens the soup.
- Flour
- Thickens the soup when cooked in butter and whisked into the stock.
- Cream or milk
- Adds richness and a smooth, creamy texture to the finished soup.
The step that matters
Adding the butter-flour mixture to the stock. Flour must be cooked in fat first so it does not taste raw, and it should be stirred into the hot stock so it disperses evenly without lumps, since starch thickens as the liquid heats.
Swap the white pepper
How well each one fits the dish's main ingredients (celery, cream, butter, flour):
- Nutmegfits better
- Tarragonfits better
- Parsleyfits better
- White pepperthe original
Fit is the average pairing score against celery, cream, 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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