Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Fricassee of Cold Roast-Beef
Ingredients
Directions
Prepare
Cut the beef into very thin slices.
Shred a handful of parsley finely.
Make the fricassee
Quarter the onion and place it in a stew-pan with butter and strong broth.
Add the beef, parsley, salt, and pepper; simmer gently for 15 minutes.
Mix in the egg yolks, port wine, and vinegar; stir quickly.
Serve
Rub the serving dish with shallot and pour the fricassee into it.
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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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Parsley + oniontop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Beef + peppertop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Port wine + vinegartop 11% of all pairsSmell alikemoderateCooked together598 recipes
Shared aroma: 4-ethyl-2-methoxyphenol (smoky, clove).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cold roast beef
- Provides the meat that is gently warmed and served in the sauce.
- Egg yolks
- Thicken the sauce as they set gently with heat, giving it a rich, smooth body.
- Butter
- Adds fat for richness and a smooth mouthfeel to the broth.
- Strong broth
- Forms the savory liquid base that the beef and sauce are built on.
- Port wine
- Adds sweetness and depth of flavour to the sauce.
- Vinegar
- Adds acidity that brightens the rich sauce and balances the sweetness.
The step that matters
Mix in the egg yolks, port wine, and vinegar; stir quickly.. Egg yolks thicken when heated but can scramble if the sauce gets too hot or sits still. Stirring quickly spreads the heat evenly so the sauce becomes smooth rather than grainy.
Swap the onion
How well each one fits the dish's main ingredients (beef, parsley, butter, pepper, egg, port wine, vinegar):
- Shallotfits better
- Capsicumfits better
- Chivefits about as well
- Onionthe original
Fit is the average pairing score against beef, parsley, butter, pepper, egg, port wine, vinegar. 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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