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 ↓
Boiled Halibut
Ingredients
Directions
Prepare the fish
Tie the halibut in a cloth.
Pour boiling water over the fish to cover it and add salt.
Boil briskly for 30 minutes.
Make the butter sauce
In a bowl, rub together butter and flour.
Gradually add the boiling water from the fish, stirring until smooth.
Serve
Carefully remove the cloth from the fish and pour the drawn butter over it.
Garnish with sliced hard‑boiled eggs.
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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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Halibut
- Forms the main body of the dish, cooked gently in boiling water until flaky.
- Butter
- Adds richness and a smooth, silky texture to the sauce.
- Flour
- Thickens the butter and water mixture into a smooth sauce.
- Hard-boiled eggs
- Add a mild, creamy contrast as a garnish.
The step that matters
Adding the hot water to the butter and flour. Stirring the boiling water in gradually keeps the flour from clumping, so the sauce thickens smoothly instead of becoming lumpy.
“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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