Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Cream of Celery Soup
Ingredients
Directions
Prepare the celery
Wash and scrape the celery.
Cut the celery into small pieces.
Add the celery to boiling water and cook gently until very soft, adding more water if necessary.
Make the sauce
In a double boiler, scald the milk.
Melt the butter in a saucepan.
Add the flour and cook until it bubbles.
Pour in the scalded milk and cook until thickened, stirring constantly.
Combine and serve
Add the cooked celery and water to the sauce.
Strain the mixture.
Serve with toasted crackers.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 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 + milktop 21% of all pairsSmell alikemoderateCooked together3,491 recipes
Shared aroma: gamma-decalactone (peach, creamy).
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 flavour and, once cooked soft and strained, the body of the soup.
- Flour
- Thickens the butter and milk into a smooth sauce as it cooks and bubbles.
- Milk
- Forms the creamy base of the soup and thickens into the sauce with the flour.
- Butter
- Adds richness and fat, and cooks with the flour to form the base of the sauce.
The step that matters
Pour in the scalded milk and cook until thickened, stirring constantly. Flour thickens liquid only when its starch granules swell in heat while being dispersed. Constant stirring prevents lumps and scorching on the pan bottom, giving a smooth sauce.
Swap the celery
How well each one fits the dish's main ingredients (flour, milk, butter):
- Cinnamonfits better
- Nutmegfits better
- Jalapenofits better
- Celerythe original
Fit is the average pairing score against flour, milk, 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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