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, Sour
Ingredients
Directions
Prepare the celery
Cut the celery into 1‑inch lengths.
Combine celery and water in a pot and cook until tender.
Remove the celery and strain it through a sieve.
Make the soup
Add the strained celery to the soup stock and cook slowly for 30 minutes.
Heat the cream, then mix in the flour and butter and cook for 5 minutes.
Pour the cream mixture into the soup and heat until very hot but do not boil.
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.
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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Flour + buttertop 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 + creamtop 18% of all pairsSmell alikelowCooked together3,863 recipes
Shared aroma: gamma-decalactone (peach, creamy).
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Cream + flourtop 20% of all pairsSmell alikemoderateCooked together30,481 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
Flour and butter 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 once cooked and strained.
- Soup stock
- Adds savory depth to the broth the celery cooks into.
- Cream or rich milk
- Adds richness and a smooth, velvety texture to the finished soup.
- Flour
- Thickens the cream mixture so it blends smoothly into the soup.
- Butter
- Adds fat and flavor, and helps the flour thicken the cream mixture.
The step that matters
Mix in the flour and butter, then heat the cream mixture gently. Cooking the flour and butter briefly lets the starch thicken smoothly without lumps. Once the cream is added, keeping the soup below a boil prevents curdling and a grainy texture.
Swap the celery
How well each one fits the dish's main ingredients (cream, flour, butter):
- Nutmegfits better
- Jalapenofits better
- Capersfits better
- Celerythe original
Fit is the average pairing score against cream, flour, butter. 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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