Why it works: Mushroom and butter 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 ↓
Fresh Mushroom Soup
Ingredients
Directions
Prepare the mushrooms
Rinse the mushrooms under cold water without soaking them.
Peel the mushrooms.
Remove the stems.
Scrape the mushrooms.
Cut the mushrooms into small pieces.
Add them to the stock.
Boil for 15 minutes.
Make the soup
Melt the butter in a separate pan.
Stir in the flour without browning it.
Add the roux to the stock and mushrooms.
Stir until it thickens.
Season with salt and pepper.
Stir in the heated cream just before serving.
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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Mushroom + buttertop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Mushroom + peppertop 11% of all pairsSmell alikemoderateCooked together13,580 recipes
Shared aroma: 2-nonenal (fatty, 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 + creamtop 15% of all pairsSmell alikelowCooked together4,500 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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
- Mushrooms
- Provide the main body and earthy flavor of the soup.
- Cream
- Adds richness and a smooth, silky texture to the finished soup.
- White stock
- Forms the liquid base that carries the mushroom flavor.
- Butter
- Adds fat and flavor to the roux that thickens the soup.
- Flour
- Thickens the soup as a roux with the melted butter.
The step that matters
Stir in the flour without browning it. Flour cooked in butter thickens best when it stays pale; browning weakens its thickening power and changes the soup's flavor and color.
“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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