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 Fresh Mushrooms
Ingredients
Directions
Prepare the mushrooms
Wash and peel the mushrooms, then boil them in a quart of boiling water until tender.
Rub the cooked mushrooms through a sieve using a potato masher.
Make the cream
In a thick saucepan, melt the butter and flour together until bubbling.
Gradually stir in the hot milk and boiling water, half a cup at a time, stirring smoothly.
Once all the liquid is added, season with salt, white pepper, and grated nutmeg.
Stir in the mushroom puree, let it boil once, and then serve.
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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Mushroom + buttertop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Flour + nutmegtop 8% of all pairsSmell alikemoderateCooked together18,623 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mushroom + milktop 12% of all pairsSmell alikemoderateCooked together2,231 recipes
Shared aroma: 1-hexanal (fruit).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 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
- Fresh mushrooms
- Form the main body and flavor of the soup once pureed.
- Butter
- Enriches the sauce and carries flavor when melted with the flour.
- Flour
- Thickens the milk into a smooth, creamy base when cooked with butter.
- Milk
- Forms the creamy liquid that gives the soup its body and richness.
The step that matters
Adding the hot liquid gradually. Stirring the hot milk and boiling water into the butter and flour a little at a time keeps the starch dispersed, so the sauce thickens smoothly instead of forming lumps.
Swap the white pepper
How well each one fits the dish's main ingredients (mushroom, butter, flour, milk, nutmeg):
- Cinnamonfits better
- Cardamomfits better
- Thymefits better
- White pepperthe original
Fit is the average pairing score against mushroom, butter, flour, milk, nutmeg. 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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