Why it works: Celery and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 16,012 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Cream of Celery Soup
Ingredients
Directions
Make the base
Cook the broken celery and onion in the milk for 30 minutes.
Melt the butter in a separate pan.
Stir the flour into the melted butter to create a roux.
Finish the soup
Add the roux to the celery mixture to thicken the soup.
Stir in the cream and season with salt and pepper.
Strain the soup before serving.
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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Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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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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Celery + oniontop 7% of all pairsSmell alikemoderateCooked together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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 body of the soup as it cooks in the milk.
- Milk
- Forms the liquid base that the celery softens and flavours in.
- Butter
- Carries the flour in the roux and adds richness to the soup.
- Flour
- Thickens the soup when cooked in butter and blended into the liquid.
- Cream
- Adds fat and smoothness, giving the soup a richer, silkier texture.
The step that matters
Adding the roux to the celery mixture. Flour thickens only when its starch is cooked and dispersed evenly in liquid. Adding roux gradually while stirring prevents lumps and gives a smooth, consistently thick soup.
Swap the onion
How well each one fits the dish's main ingredients (celery, milk, butter, flour, cream, pepper):
- Potatofits better
- Leekfits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against celery, milk, butter, flour, cream, pepper. 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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