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 ↓
Collops, Scotch
Ingredients
Directions
Prepare the veal
Sprinkle the veal pieces with salt, white pepper, and pounded mace.
Fry them in hot butter or lard until lightly browned.
Make the gravy
Place the browned veal in a stewpan and dredge with flour.
Add enough stock to cover the veal and bring to a boil.
Skim the surface and simmer gently for 45 minutes.
Remove the meat and place it on a hot dish.
Add lemon juice, mushroom ketchup, claret, and cayenne to the gravy.
Boil the sauce once more, pour it over the meat, and 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 + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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White pepper + macetop 9% of all pairsSmell alikemoderateCooked together1,695 recipes
Shared aroma: myrcene (balsamic, herbaceous).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + ketchuptop 13% of all pairsSmell alikemoderateCooked together2,435 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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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
- Veal
- Provides the main protein, which becomes tender through gentle simmering in the stock.
- Flour
- Thickens the stock into a gravy as it cooks around the veal.
- Butter or lard
- Browns the veal surface, adding color and savory flavor before simmering.
- Claret
- Adds acidity and wine flavor that brightens the rich gravy.
- Lemon juice
- Adds acidity that sharpens the flavor of the gravy.
- Mushroom ketchup
- Adds concentrated savory, umami depth to the gravy.
The step that matters
Simmer gently after skimming. A gentle simmer keeps the veal tender and the floured gravy smooth; a hard boil toughens the meat and can make the sauce lumpy or cloudy.
Swap the white pepper
How well each one fits the dish's main ingredients (veal, mace, butter, flour, lemon, mushroom, ketchup):
- Marjoramfits better
- Nutmegfits better
- Parsleyfits better
- White pepperthe original
Fit is the average pairing score against veal, mace, butter, flour, lemon, mushroom, ketchup. 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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