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 Asparagus Soup
Ingredients
Directions
Prepare
Trim and chop the asparagus.
Make the soup
In a pot, melt butter over medium heat.
Add flour and stir to form a roux.
Gradually whisk in milk until smooth.
Add chopped asparagus, salt, and pepper.
Simmer until asparagus is tender.
Blend until smooth and serve hot.
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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Asparagus + peppertop 10% of all pairsSmell alikemoderateCooked together1,968 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Asparagus + flourtop 12% of all pairsSmell alikemoderateCooked together936 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).
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
- Asparagus
- Provides the main vegetable flavor and body of the soup.
- Butter
- Adds fat and richness and carries flavor in the roux.
- Flour
- Thickens the soup by forming a roux with the butter.
- Milk
- Forms the creamy liquid base that gives the soup its smooth texture.
The step that matters
Gradually whisk in milk until smooth. Adding liquid slowly to the roux lets the starch disperse evenly, preventing lumps and giving a smooth, thick base.
Swap the asparagus
How well each one fits the dish's main ingredients (butter, flour, milk, pepper):
- Potatofits better
- Capsicumfits better
- Chivefits about as well
- Asparagusthe original
Fit is the average pairing score against butter, flour, milk, 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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