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
Soak and poach
Soak the mackerel in lukewarm water for a few hours, changing the water several times.
Tie the fish loosely in cloths.
Place the fish in cold water.
Bring the water to a boil.
Turn off the heat and pour hot water over the fish from a kettle.
Let the water come to a boil again.
Remove the fish and drain.
Finish and serve
Lay the fish on a platter.
Butter and pepper the fish.
Place the fish in the oven for a few moments.
Serve with sliced lemons or a nice 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).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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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
- Mackerel
- The main protein; its firm flesh holds together through soaking and poaching.
- Butter
- Adds fat and richness, helping keep the cooked fish moist and flavourful.
- Sliced lemons
- Adds acidity that cuts the richness of the oily fish.
The step that matters
Reheating the water after the kettle pour. Fish proteins tighten and toughen when overheated, so the fish can turn dry and firm if the water boils too hard or too long. Keep the heat gentle once it returns to a boil.
“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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