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 Halibut
Ingredients
Directions
The book says “a steady oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the fish
Soak the halibut in a mixture of salt and water for 1 hour.
Remove the fish and wipe it dry.
Score the top of the halibut with a sharp knife and place it in a dripping pan.
Bake and make the gravy
Bake in a steady oven at 350°F (175°C) for about 1 hour, basting several times with hot water and melted butter.
Once cooked, transfer the fish to a hot dish.
Strain the gravy from the pan and bring it to a boil.
Mix in 2 teaspoons of softened butter and 2 tablespoons of browned flour until smooth.
Just before serving, add 1 tablespoon of Worcestershire sauce and the juice of 1 lemon to the gravy.
Pour some gravy over the fish and serve the rest in a gravy boat.
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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Butter + saucetop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Flour + lemontop 17% of all pairsSmell alikemoderateCooked together30,404 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + saucetop 18% of all pairsSmell alikemoderateCooked together8,078 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
- Halibut
- The main protein, which firms and turns opaque as it bakes.
- Butter
- Melted butter for basting adds moisture and richness; softened butter enriches the gravy.
- All-purpose flour
- Browned flour thickens the gravy and adds a toasted, nutty flavour.
- Worcestershire sauce
- Adds savory depth and tang to the gravy.
- Lemon juice
- Adds acidity that brightens the rich gravy.
The step that matters
Basting the fish during baking. Halibut is lean and can dry out in the oven. Regular basting with hot water and melted butter adds moisture and helps keep the flesh tender while it cooks.
Swap the lemon
How well each one fits the dish's main ingredients (butter, flour, sauce):
- Raisinfits better
- Avocadofits better
- Coconutfits better
- Lemonthe original
Fit is the average pairing score against butter, flour, sauce. 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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