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 ↓
Baked Mackerel, or Whitings
Ingredients
Directions
The book says “a gentle oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 300°F (150°C).
Wash and dry the fish, then wrap them in a soft cloth for a while.
Replace the roes in the fish and place them in a baking dish.
Season and bake
Mix the butter with the flour and spread it over the fish.
Add wine, chili vinegar, salt, and cayenne to the dish.
Arrange the fish with heads and tails towards each other, backs down.
Cover with buttered paper and press down.
Bake for 20 minutes, then remove the paper and serve with the 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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Wine + vinegartop 12% of all pairsSmell alikemoderateCooked together3,493 recipes
Shared aroma: sotolon (curry, maple).
-
Wine + buttertop 13% of all pairsSmell alikemoderateCooked together8,645 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
-
Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Whiting + flourtop 18% of all pairsSmell alikemoderateCooked together303 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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 or whiting
- Provides the main body of the dish, cooked gently in the oven as the protein base.
- Butter
- Adds richness and moisture, coating the fish so it stays tender while baking.
- Flour
- Thickens the buttery coating slightly, helping it cling to the fish and form a light sauce.
- Wine
- Adds liquid and acidity to the dish, moistening the fish and building the sauce flavour.
The step that matters
Covering with buttered paper and baking gently. Baking at a low 300°F with the fish covered lets it cook through slowly and stay moist. Heating too hard or leaving it uncovered can dry the flesh out before it is done.
“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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