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Boiled Leeks

Boiled leeks simmered in salted water, then stewed in milk with sugar, thickened with flour, and seasoned.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Leek and flour match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 328 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Boiled Leeks

Ingredients

Directions

Prepare

  1. Cut the leeks to the same length and remove most of the green part.

  2. Wash the leeks and tie them in a bundle.

Cook and serve

  1. Drop the bundle into boiling salted water for 5 minutes.

  2. Lift the leeks from the pan and place them in another pan with boiling milk and a lump of sugar.

  3. Stew until tender.

  4. Thicken the milk with flour, season, and pour it over the leeks in a serving dish.

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. Leek + flourtop 8% of all pairs
    Smell alikestrong
    Cooked together328 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Leek + milktop 19% of all pairs
    Smell alikemoderate
    Cooked together200 recipes

    Shared aroma: ethyl butyrate (apple, fruity).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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

Leeks
Form the main body of the dish, becoming tender and mild when stewed.
Milk
Forms the creamy sauce that coats and flavors the leeks.
Flour
Thickens the milk into a smooth sauce that clings to the leeks.
Sugar
Adds a touch of sweetness that balances the mild leeks.

The step that matters

Stew until tender. Leeks need slow, gentle heat to soften fully without breaking apart. Stewing in milk too hard or too long can scorch the milk or make the leeks mushy, so check for tenderness with a knife.

Swap the leek

How well each one fits the dish's main ingredients (milk, sugar, flour):

  1. Arrowrootfits better
  2. Sweet potatofits better
  3. Beetrootfits about as well
  4. Leekthe original

Fit is the average pairing score against milk, sugar, 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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