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To Fry Brook Trout or Any Other Small Fish

A fried small fish dish coated in breadcrumbs and parsley, served hot with lemon slices.

From an old cookbook · modernised transcription
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Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

To Fry Brook Trout or Any Other Small Fish

Ingredients

Directions

Prepare the fish

  1. Wash the fish thoroughly and remove the gills.

  2. Mix bread crumbs, parsley, and salt in a bowl.

  3. Coat the fish with the breadcrumb mixture.

Fry and serve

  1. Heat butter and lard in a pan over medium heat.

  2. Fry the fish until golden brown, about 5-7 minutes per side.

  3. Drain on a sieve and serve hot with lemon slices.

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. Parsley + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together14,037 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  2. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

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

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

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

  4. Bread + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  5. Parsley + oniontop 9% of all pairs
    Smell alikemoderate
    Cooked together25,843 recipes

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

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

What each ingredient does

Brook trout
Provides the main protein; its flesh cooks through while the coating crisps.
Bread crumbs
Form a crisp, golden coating that protects the fish during frying.
Butter
Adds rich flavor and helps the coating brown as it fries.
Lard
Fat for frying that tolerates high heat and gives a crisp, even browning.
Onion
Listed as an ingredient but not used in any step, so its role is not stated.

The step that matters

Frying the coated fish. Medium heat must brown the coating before the fish overcooks. Fat that is too cool soaks into the crumbs, while too hot a pan can scorch them before the fish is cooked through.

Swap the onion

How well each one fits the dish's main ingredients (fish, bread, parsley, butter, pepper, lemon):

  1. Shallotfits better
  2. Carrotfits better
  3. Capsicumfits better
  4. Onionthe original

Fit is the average pairing score against fish, bread, parsley, butter, pepper, lemon. 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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