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Brook Trout

A whole trout seasoned with salt, pepper, lemon juice, and butter, fried in salt pork fat and served hot.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Brook Trout

Ingredients

Directions

Prepare

  1. Dress the trout by cutting it open and scraping out the insides, leaving the head, tail, and fins intact.

  2. Rub table salt inside the fish.

Cook and serve

  1. Fry the trout in smoking hot salt pork fat until cooked.

  2. Season with pepper, a little lemon juice, and butter.

  3. Serve on hot plates.

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. Pepper + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Pork + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together13,933 recipes

    Shared aroma: 2-furfurylthiol (coffee, roasted).

  3. Lemon + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  4. Pork + peppertop 16% of all pairs
    Smell alikemoderate
    Cooked together22,121 recipes

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

  5. Pepper + buttertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Trout
Forms the main body of the dish, cooking through to flaky, tender flesh.
Salt pork fat
Conducts heat for frying and adds savory richness and browning to the skin.
Butter
Adds richness and a silky mouthfeel when stirred over the cooked fish.
Lemon juice
Adds acidity that brightens the rich fat and balances the flavor.

The step that matters

Fry in smoking hot salt pork fat. The fat must be very hot before the fish goes in, so the skin sears and crisps rather than sticking or steaming. Cooking until just done keeps the flesh moist and flaky.

Swap the lemon

How well each one fits the dish's main ingredients (pork, pepper, butter):

  1. Lemonthe original
  2. Mangofits about as well
  3. Plumfits less well
  4. Avocadofits less well

Fit is the average pairing score against pork, pepper, butter. 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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