Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
To Bake Mackerel
Ingredients
Directions
The book says “a gentle oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Clean and wash the mackerel thoroughly, then dry them well.
Fill the insides with oyster forcemeat and sew them up.
Bake
Arrange the mackerel closely in a baking dish, flour them lightly, and sprinkle with coarse sea salt.
Dot with bits of butter or pour melted butter over them.
Bake in a moderate oven at 350°F (175°C) for 30 minutes.
Serve
Serve on a hot dish with melted butter and a cut lemon.
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 + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Oyster + buttertop 12% of all pairsSmell alikemoderateCooked together8,184 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
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Oyster + flourtop 25% of all pairsSmell alikemoderateCooked together4,582 recipes
Shared aroma: hexanal (grass, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
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 carries the stuffing and butter as it bakes.
- Oyster forcemeat
- Adds moisture and rich flavour inside the fish as it cooks.
- Butter
- Adds fat and richness, keeping the surface moist and promoting gentle browning.
- Flour
- Lightly coats the fish, helping the skin brown and seal in moisture.
The step that matters
Bake in a moderate oven at 350°F (175°C) for 30 minutes. Fish is done as soon as it turns opaque and flakes easily. Baking past that point dries out the flesh, so check it near the end of the time rather than trusting the clock alone.
“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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