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 Vegetable Soups
Ingredients
Directions
Make the base
Melt the butter or fat in a pot.
Stir in the flour until thoroughly mixed.
Gradually add the cold milk, stirring until it boils.
Add the vegetables
Add enough mashed vegetables and the cooking water to achieve the desired consistency.
For stronger flavors, use ½ cup of vegetable stock and pulp; for delicate flavors, use up to 1 quart of vegetables.
Finish
Optionally, beat the mixture with an egg beater just before serving for a light texture.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + potatotop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + potatotop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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
- Butter or clarified meat fat
- Carries flavor and enriches the soup, while coating flour so it blends smoothly.
- Flour
- Thickens the milk into a smooth, body-giving base as it cooks.
- Milk
- Forms the creamy liquid base that thickens when heated with the roux.
- Mashed vegetables
- Add body, texture and the main vegetable flavor to the soup.
The step that matters
Gradually add the cold milk, stirring until it boils. Adding cold milk slowly to a flour and fat mixture, while stirring, keeps starch dispersed so the base thickens smoothly without lumps. Stopping stirring can let the flour clump and scorch on the bottom of the pot.
Swap the potato
How well each one fits the dish's main ingredients (butter, flour, milk):
- Potatothe original
- Arrowrootfits about as well
- Leekfits less well
- Shallotfits less well
Fit is the average pairing score against butter, flour, 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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