Why it works: Mushroom and thyme are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 2,557 recipes. Both carry 1-octen-3-one, which smells mushroom, metallic. The science ↓
Hecliamel, or White Sauce
Ingredients
Directions
Prepare
Cut the veal and bacon into small slices.
In a stew-pan, combine the veal, bacon, butter, onion, mace, mushroom buttons, thyme, and bay leaf.
Fry over low heat without browning.
Make the sauce
Thicken with flour, then add equal parts broth and cream.
Boil for 30 minutes, stirring constantly.
Strain through a soup strainer.
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 + thymetop 5% of all pairsSmell alikemoderateCooked together2,557 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Onion + thymetop 7% of all pairsSmell alikemoderateCooked together11,171 recipes
Shared aroma: coumarin (sweet, hay).
-
Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Onion + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
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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
- Lean veal
- Provides the meat base that gives the sauce its body and savoury flavour.
- Lean bacon or ham
- Adds salty, smoky depth that seasons the sauce as it cooks.
- Butter
- Carries the aromatics during the gentle frying and adds richness.
- Flour
- Thickens the liquid so the sauce becomes smooth and coats the back of a spoon.
- Rich cream
- Adds fat and body, giving the sauce a smooth, velvety texture.
- Good broth
- Supplies the main liquid and the savoury backbone of the sauce.
The step that matters
Fry over low heat without browning. Gentle frying softens the meat and aromatics and releases their flavour without caramelising them. Browning would make the sauce taste roasted and darken its colour, which is not what a white sauce should be.
Flavor stand-ins for the mace
How well each one fits the dish's main ingredients (veal, ham, butter, onion, mushroom, thyme, flour):
- Marjorambetter flavor fit
- Parsleybetter flavor fit
- Garlicbetter flavor fit
- Macethe original
Fit is the average pairing score against veal, ham, butter, onion, mushroom, thyme, flour. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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