Why it works: Milk and flour are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Celery Cream Soup
Ingredients
Directions
Make the base
Heat the milk in a saucepan over medium heat until warm.
In a separate bowl, mix the flour with a little cold milk to make a smooth paste.
Gradually add the flour mixture to the warm milk, stirring constantly to avoid lumps.
Add the celery salt and continue to cook until the soup thickens.
Finish and serve
Remove from heat and stir in the whipped cream 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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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + celerytop 15% of all pairsSmell alikemoderateCooked together6,905 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + creamtop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Celery + creamtop 18% of all pairsSmell alikelowCooked together3,863 recipes
Shared aroma: gamma-decalactone (peach, creamy).
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Flour + creamtop 20% of all pairsSmell alikemoderateCooked together30,481 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
Milk and flour barely smell alike, yet cooks put them together in 78,219 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
- Rich milk
- Forms the liquid base that the thickened soup is built on.
- Flour
- Its starch swells and thickens the milk as it heats, giving the soup body.
- Whipped cream
- Adds fat and richness, giving a smooth, creamy mouthfeel.
- Celery salt
- Provides the celery flavor that defines the soup.
The step that matters
Stirring the flour mixture into the warm milk. Flour starch clumps when it hits hot liquid without being separated first. Mixing it into a smooth paste with cold milk and adding it gradually while stirring lets the granules disperse evenly, so the soup thickens smoothly instead of lumping.
Swap the celery
How well each one fits the dish's main ingredients (milk, flour, cream):
- Nutmegfits better
- Jalapenofits better
- Cinnamonfits better
- Celerythe original
Fit is the average pairing score against milk, flour, cream. 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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