Why it works: Butter and pepper are a kitchen classic. They rank in the top 21% of all ingredient pairs, and cooks put them together in 85,593 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Boiled Salt Mackerel
Ingredients
Directions
Prepare
Wash the fish and soak it, skin side up, in cold water for 8 to 10 hours. If very salty, soak longer.
Place the fish in a shallow pan, skin side up, and cover with cold water.
Cook and serve
Boil gently for 15 to 20 minutes.
Carefully remove the fish, drain well, and place it in a hot dish, skin side down.
Season the upper side with pepper and butter, then 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 + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Salt mackerel
- Is the main ingredient, and its long soaking removes excess salt before cooking.
- Butter
- Adds richness and moisture to the finished fish as it melts over the surface.
- Pepper
- Adds sharp aroma and gentle heat to the seasoned upper side.
The step that matters
Soaking the salt mackerel. Salt mackerel is cured heavily, so soaking it long enough draws out salt. Too little soaking leaves the fish harshly salty, while the gentle boil keeps the flesh tender rather than tough and dry.
“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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