Why it works: Butter and milk 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
Make the stock
Boil the veal shank and knuckle in 3 quarts of water for 4 hours until the meat is fully cooked.
Strain the stock and let it cool overnight.
Skim off the fat the next day.
Finish the soup
Boil the chopped celery in 3 pints of water until tender.
Combine the celery with the stock.
Season with white pepper, coarse sea salt, and mace.
Stir in the flour, butter, and milk.
Bring to a boil.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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White pepper + macetop 9% of all pairsSmell alikemoderateCooked together1,695 recipes
Shared aroma: myrcene (balsamic, herbaceous).
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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).
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
- Veal shank and knuckle
- Release gelatin and savory flavor into the stock as they simmer for hours.
- Celery
- Provides the main vegetable flavor and body of the soup.
- All-purpose flour
- Thickens the soup into a creamy consistency when cooked with the butter.
- Butter
- Adds richness and fat, carrying flavor and smoothing the thickened texture.
- Milk
- Adds creaminess and mild sweetness, softening the soup's flavor.
The step that matters
Bring to a boil after adding the flour, butter, and milk. Flour needs to be heated fully to thicken the liquid. Boiling activates its starch, but stirring constantly prevents lumps and milk scorching on the bottom of the pot.
Swap the white pepper
How well each one fits the dish's main ingredients (veal, celery, mace, flour, butter, milk):
- Nutmegfits better
- Cinnamonfits better
- Parsleyfits better
- White pepperthe original
Fit is the average pairing score against veal, celery, mace, flour, butter, milk. 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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