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 the fish
Preheat the oven to 300°F (150°C).
Wash the fish and dry it.
Wrap the fish in a soft cloth for a while.
Replace the roes back into the fish.
Season and arrange
Place the fish in a baking dish.
Add wine, chili vinegar, coarse sea salt and cayenne pepper to the dish.
Add the mixture of butter and flour to the dish.
Arrange the fish with heads and tails towards each other, backs down.
Cover the fish with buttered paper and press down.
Bake and serve
Bake in the oven for 20 minutes.
Remove the paper.
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).
-
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).
-
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 whitings
- The fish is the main component, cooked whole and gently in the oven.
- Butter
- Adds richness and moisture, and helps the fish stay tender as it bakes.
- All-purpose flour
- Mixed with butter to thicken the pan juices into a light sauce.
- Wine
- Adds moisture and aroma to the dish as it cooks around the fish.
The step that matters
Covering the fish with buttered paper. The paper traps steam so the fish cooks gently and stays moist, while pressing it down keeps the fish in contact with the liquid for even cooking.
“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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