Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Salt Mackerel
Ingredients
Directions
Prepare the fish
Soak the fish in lukewarm water for a few hours, changing the water several times.
Tie the fish loosely in cloths and place it in cold water.
Bring the water to a boil, then turn off the heat and pour hot water over the fish from a kettle.
Let it come to a boil again, then remove the fish and drain it.
Finish and serve
Place the fish on a platter, butter and pepper it, and put it in the oven for a few moments.
Serve with sliced lemons or fish sauce.
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 + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Butter + fish saucetop 26% of all pairsSmell alikelowCooked together141 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Pepper + fish saucetop 33% of all pairsSmell alikelowCooked together551 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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 protein; soaking draws out excess salt so the fish is palatable.
- Butter
- Adds fat and richness, carrying flavour and keeping the fish moist in the oven.
- Sliced lemons
- Adds acidity that brightens the rich, salty flavour of the fish.
The step that matters
Soaking the salt mackerel. Salt mackerel is very salty, so soaking it for a few hours in changing water removes surplus salt. Skipping or shortening the soak leaves the fish too salty to enjoy.
Swap the lemon
How well each one fits the dish's main ingredients (butter, pepper, fish sauce):
- Limefits better
- Mangofits better
- Lemonthe original
- Coconutfits about as well
Fit is the average pairing score against butter, pepper, fish sauce. 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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