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Baked Halibut

A baked halibut dish with tomato sauce, butter, onion, parsley, and flour.

From an old cookbook · modernised transcription
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Why it works: Onion and tomato are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 20,633 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Baked Halibut

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the sauce

  1. In a skillet, melt the butter and brown the chopped onion.

  2. Add the tomatoes, parsley, and flour; cook for 15 minutes.

Bake

  1. Place the halibut in a baking dish and pour the tomato sauce over it.

  2. Bake at 350°F (175°C) for 30 minutes.

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. Onion + tomatotop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Tomato + parsleytop 8% of all pairs
    Smell alikemoderate
    Cooked together5,398 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Onion + parsleytop 9% of all pairs
    Smell alikemoderate
    Cooked together25,843 recipes

    Shared aroma: 2,4-decadienal (seaweed).

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Parsley + flourtop 12% of all pairs
    Smell alikemoderate
    Cooked together16,675 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Butter
Adds fat and richness, and helps brown the onion for flavour.
Onion
Browning in butter builds savoury sweetness and depth for the sauce.
Tomatoes
Provide the liquid and acidity that form the body of the sauce.
Flour
Thickens the tomato sauce so it clings to the halibut.
Halibut
The main protein, which cooks gently in the tomato sauce.

The step that matters

Simmering the sauce until thickened. Cooking the flour with the tomatoes for the full 15 minutes cooks out its raw taste and lets the starch thicken the sauce before it goes over the fish.

Swap the tomato

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

  1. Chivefits better
  2. Shallotfits better
  3. Leekfits better
  4. Tomatothe original

Fit is the average pairing score against butter, onion, parsley, 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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