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 ↓
Delicate Celery Soup
Ingredients
Directions
Prepare the celery
Break celery into 1-inch pieces and pound in a mortar.
Make the soup
Cook in a double boiler with milk and onion for 20 minutes.
Melt butter in a pan and stir in flour.
Gradually add cream and bring to a boil.
Stir the cream mixture into the celery mixture.
Strain, season, and serve immediately.
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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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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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 flavour and body of the soup once pounded and cooked.
- Milk
- Forms the liquid base of the soup and carries its flavour.
- Butter
- Adds richness and fat, and forms the base of the roux.
- Flour
- Thickens the soup when cooked with butter into a roux.
- Cream
- Adds richness and smoothness, giving the soup a silkier body.
The step that matters
Adding the cream to the roux. Adding liquid too quickly to a butter and flour mixture can form lumps, because the flour starch clumps before it disperses. Adding the cream gradually and stirring keeps the sauce smooth before it thickens.
Swap the celery
How well each one fits the dish's main ingredients (milk, onion, butter, flour, cream):
- Nutmegfits better
- Garlicfits better
- Cinnamonfits better
- Celerythe original
Fit is the average pairing score against milk, onion, butter, 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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