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 ↓
Mushroom Sauce
Ingredients
Directions
Prepare the vegetables
Add mushrooms to boiling water for 2 minutes.
Remove from boiling water and blanch in cold water, removing the outer skin.
Cut mushrooms and green pepper into shreds.
Cook the mushrooms
Place mushrooms and green pepper in a skillet with 2 tablespoons of butter and simmer slowly until tender, keeping the skillet covered.
Make the white sauce and finish
Mix 3 tablespoons of flour with a little milk at a time until smooth, then add all the milk.
Place the mixture in a double boiler and cook for 12 minutes.
Add the simmered mixture to the white sauce along with salt, white pepper, and remaining butter.
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.
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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Mushroom + peppertop 11% of all pairsSmell alikemoderateCooked together13,580 recipes
Shared aroma: 2-nonenal (fatty, green).
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Mushroom + milktop 12% of all pairsSmell alikemoderateCooked together2,231 recipes
Shared aroma: 1-hexanal (fruit).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 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
- Fresh mushrooms
- Form the main body of the sauce and release moisture as they simmer.
- Flour
- Thickens the milk into a smooth white sauce that clings to the vegetables.
- Sweet milk
- Forms the liquid base of the white sauce, giving it a creamy body.
- Butter
- Adds fat and richness, helping the mushrooms brown and carrying flavor.
- Green pepper
- Adds mild, fresh vegetable flavor and a little texture to the sauce.
The step that matters
Mix the flour with milk gradually. Adding flour to liquid all at once creates lumps that are hard to smooth out. Blending in small amounts of milk first keeps the starch dispersed so the sauce turns out smooth.
Swap the white pepper
How well each one fits the dish's main ingredients (mushroom, flour, pepper, butter, milk):
- Thymefits better
- Nutmegfits better
- Parsleyfits better
- White pepperthe original
Fit is the average pairing score against mushroom, flour, pepper, 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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