Why it works: Parsley and capers match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,550 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Herring Salad
Ingredients
Directions
Prepare the herring
Heat the smoked herring on each side for 30 seconds.
Remove the skin, heads, and bones, then chop the herring into small square pieces.
Make the salad
In a salad bowl, combine the herring, hashed onion, chopped eggs, and chopped potato.
Add the chopped parsley, salt, pepper, vinegar, and oil, then mix well.
Decorate with sliced beets and capers if desired.
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 + caperstop 1% of all pairsSmell alikestrongCooked together1,550 recipes
Shared aroma: coumarin (sweet, hay).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Onion + potatotop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + parsleytop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Onion + caperstop 7% of all pairsSmell alikestrongCooked together1,381 recipes
Shared aroma: coumarin (sweet, hay).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Smoked herring
- Provides the main flavour and the substance of the salad.
- Hard boiled eggs
- Add body and a soft, creamy texture to the mixture.
- Potato
- Adds bulk and a soft texture that holds the salad together.
- Vinegar
- Adds acidity that sharpens the flavour of the fish.
- Oil
- Adds fat and moisture, rounding out the sharpness of the vinegar.
The step that matters
Chop the herring into small, even pieces after removing skin and bones. Bones and skin left in the fish are unpleasant to eat and can be a choking hazard. Small, even pieces distribute the fish evenly through the salad and blend its flavour with the other ingredients.
Swap the capers
The recipe marks capers as optional. How well each one fits the dish's main ingredients (onion, egg, potato, parsley, pepper, vinegar):
- Dillfits better
- Garlicfits better
- Tarragonfits better
- Capersthe original
Fit is the average pairing score against onion, egg, potato, parsley, pepper, 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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