Why it works: Butter and mushroom are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 12,525 recipes. Both carry trans-2-decenal, which smells waxy, orange. The science ↓
Velvet Sauce
Ingredients
Directions
Make the roux
Melt the butter in a saucepan.
Add the flour and stir well.
Make the sauce
Moisten with the stock.
Add the mushroom liquor, peppercorns, salt, and nutmeg.
Boil for 20 minutes, stirring continuously.
Remove from heat and skim off any foam.
Simmer very slowly for 1 hour.
Strain the sauce.
Adjust seasoning with more salt and pepper if needed.
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 + mushroomtop 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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mushroom + nutmegtop 13% of all pairsSmell alikemoderateCooked together1,988 recipes
Shared aroma: alpha-pinene (pine, turpentine).
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Veal + mushroomtop 14% of all pairsSmell alikemoderateCooked together2,446 recipes
Shared aroma: 2,4-nonadienal (fatty, 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
- Enriches the roux and adds richness and a rounded flavour to the sauce.
- Flour
- Thickens the stock into a smooth sauce when cooked with the butter.
- Veal or chicken stock
- Forms the liquid base of the sauce and carries its savoury flavour.
- Mushroom liquor
- Adds earthy mushroom flavour to the sauce.
The step that matters
Stirring the flour into the butter and then the stock. Cooking the flour in butter coats the starch granules so they disperse without lumps when the stock is added. Stirring continuously keeps the sauce smooth and prevents scorching on the base of the pan.
Swap the nutmeg
How well each one fits the dish's main ingredients (butter, flour, veal, mushroom):
- Thymefits about as well
- Capersfits about as well
- Parsleyfits about as well
- Nutmegthe original
Fit is the average pairing score against butter, flour, veal, mushroom. 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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