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Brook Trout with New Potatoes

A dish of fried brook trout served with stewed new potatoes in a butter‑flour‑milk sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Potato and onion are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Brook Trout with New Potatoes

Ingredients

Directions

Prepare the potatoes

  1. Scrape or rub the skin from the new potatoes and boil them in salted water until tender.

  2. Drain the potatoes and set them aside.

Make the sauce

  1. In a saucepan, melt the butter and flour over medium heat, stirring until blended.

  2. Gradually stir in the milk, salt, and white pepper, and bring the sauce to a boil.

  3. Add the drained potatoes to the sauce and keep warm over low heat.

Fry and serve the trout

  1. Wash the trout in cold salted water and dry them with a clean towel.

  2. Rub a frying pan with a cut onion, then add the butter, parsley, and green herbs.

  3. Heat the pan and add the trout, seasoning with salt and pepper.

  4. Fry the trout, shaking the pan occasionally to prevent burning, until cooked through.

  5. Serve the trout hot with the stewed new potatoes.

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. Potato + oniontop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

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

  2. Potato + parsleytop 5% of all pairs
    Smell alikemoderate
    Cooked together2,855 recipes

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

  3. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

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

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

  5. Potato + milktop 9% of all pairs
    Smell alikemoderate
    Cooked together3,611 recipes

    Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).

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

What each ingredient does

New potatoes
Provide the main starchy body of the dish, softened by boiling and then held in the sauce.
Butter
Adds richness and fat to the sauce and carries flavour into the frying pan.
Flour
Thickens the milk into a smooth sauce when cooked with the melted butter.
Milk
Forms the liquid base of the sauce, giving it body and a creamy texture.
Trout
Supplies the main protein, which cooks through in the hot pan and firms as it fries.

The step that matters

Fry the trout without burning. Trout cooks quickly, and the butter and herbs can scorch over high heat before the fish is cooked through. Shaking the pan and keeping the heat controlled helps the fish cook evenly and brown lightly without bitterness.

Swap the white pepper

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

  1. Thymefits better
  2. Garlicfits better
  3. Capersfits better
  4. White pepperthe original

Fit is the average pairing score against potato, butter, flour, milk, onion, parsley. 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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