Why it works: Pepper and celery match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 16,012 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Soused Fillets of Herring
Ingredients
Directions
The book says “a very moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Bake the herring fillets slowly in a moderate oven at 350°F (175°C) for one hour.
Once cold, remove any tapes and wipe off any spices adhering to the fish.
Serve
Arrange the fillets on a dish and garnish with shredded celery and watercress.
Season with vinegar, salad oil, a little pepper, and coarse sea salt.
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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Pepper + celerytop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Celery + watercresstop 7% of all pairsSmell alikestrongCooked together167 recipes
Shared aroma: coumarin (sweet, hay).
-
Pepper + watercresstop 10% of all pairsSmell alikemoderateCooked together983 recipes
Shared aroma: coumarin (sweet, hay).
-
Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Vinegar + watercresstop 15% of all pairsSmell alikemoderateCooked together465 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Herring fillets
- Provide the main flesh, which firms and flakes as it bakes and cools.
- Vinegar
- Adds acidity that sharpens the flavour of the rich fish.
- Salad oil
- Adds fat and moisture that keeps the fish from tasting dry.
The step that matters
Let the fish cool before removing the tapes. Baked fish firms and holds together as it cools, so fillets are less likely to break when tapes and spices are removed.
Swap the celery
How well each one fits the dish's main ingredients (vinegar, pepper, watercress):
- Tarragonfits better
- Capersfits better
- Parsleyfits better
- Celerythe original
Fit is the average pairing score against vinegar, pepper, watercress. 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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