Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Broiled Mackerel
Ingredients
Directions
Prepare
Preheat the grill.
Sprinkle the mackerel with salt, pepper, and chopped parsley.
Wrap the fish in buttered paper.
Grill and serve
Place the wrapped fish on the grill over a good fire.
Turn the fish two or three times until cooked through.
Remove the paper and serve warm or cold with caper or tomato 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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Parsley + lemontop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Parsley + tomatotop 8% of all pairsSmell alikemoderateCooked together5,398 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Mackerel
- Forms the main body of the dish and cooks into flaky, tender flesh.
- Butter
- Adds moisture and richness while the paper-wrapped fish steams gently on the grill.
- Parsley
- Contributes fresh, herbal aroma to the seasoned fish.
The step that matters
Turn the fish two or three times. Turning exposes the fish to heat from both sides so it cooks through evenly, while frequent handling over a hot fire can cause the outside to dry or char before the centre sets.
Swap the tomato
The recipe marks tomato as optional. How well each one fits the dish's main ingredients (pepper, parsley, butter, lemon):
- Shallotfits better
- Carrotfits better
- Spinachfits better
- Tomatothe original
Fit is the average pairing score against pepper, parsley, butter, lemon. 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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