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Baked Halibut

Baked halibut seasoned with salt, butter, walnut catsup, Worcestershire sauce, lemon juice, and brown flour gravy.

From an old cookbook · modernised transcription
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Why it works: Walnut and lemon match in chemistry and in kitchens. They rank in the top 10% of all ingredient pairs, and cooks put them together in 2,149 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Baked Halibut

Oven, in the book's wordsA moderately hot oven

Ingredients

Directions

The book says “a moderately hot oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Soak the halibut in salt water for 2 hours.

  2. Wipe it dry and score the outer skin.

  3. Place the halibut in a dripping pan.

Bake

  1. Bake at 350°F (175°C) for 1 hour, basting often with melted butter and heated water.

  2. Check for doneness by inserting a fork; it should penetrate easily and the fish should be brown.

  3. Add boiling water to the pan if needed.

Make the gravy and serve

  1. Stir in walnut catsup, Worcestershire sauce, and lemon juice.

  2. Thicken the gravy by adding brown flour mixed with cold water.

  3. Boil once and serve the gravy in a sauce boat.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Walnut + lemontop 10% of all pairs
    Smell alikestrong
    Cooked together2,149 recipes

    Shared aroma: 2-nonenal (fatty, green).

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Walnut + flourtop 12% of all pairs
    Smell alikemoderate
    Cooked together5,873 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + saucetop 15% of all pairs
    Smell alikelow
    Cooked together15,338 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Butter + walnuttop 15% of all pairs
    Smell alikemoderate
    Cooked together6,832 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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
Is the main protein, cooked through by gentle oven heat until it flakes.
Butter
Adds richness and moisture while basting, and helps the fish brown.
Brown flour
Thickens the pan liquid into a gravy as its starch swells when heated.
Lemon juice
Adds acidity that brightens the gravy and balances its savoury flavours.

The step that matters

Check for doneness with a fork. Fish keeps cooking from residual heat and becomes dry and tough once overcooked. Testing whether the flesh parts easily with a fork shows it is done before it dries out.

Swap the lemon

How well each one fits the dish's main ingredients (butter, walnut, sauce, flour):

  1. Raisinfits better
  2. Avocadofits better
  3. Coconutfits better
  4. Lemonthe original

Fit is the average pairing score against butter, walnut, sauce, flour. 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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