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Stewed Leeks

A simple stew of leeks cooked in a butter‑flour‑milk sauce.

From an old cookbook · modernised transcription
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Stewed Leeks

Ingredients

Directions

Prepare the leeks

  1. Trim and wash the leeks.

  2. Boil the leeks in salted, boiling water for 30 minutes.

  3. Drain the leeks and arrange them in a heated dish with the bulbs facing one way.

Make the sauce

  1. In a saucepan, melt the butter.

  2. Add the flour to the melted butter and mix well.

  3. Slowly add the milk while stirring constantly until it boils.

  4. Stir in the salt and pepper, then pour the sauce over the leeks and serve hot.

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

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

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Leek + peppertop 12% of all pairs
    Smell alikemoderate
    Cooked together965 recipes

    Shared aroma: coumarin (sweet, hay).

  5. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 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

Leeks
Form the main body of the dish, becoming tender through boiling.
Butter
Provides fat and richness, and carries the flavour of the sauce.
Flour
Thickens the melted butter and milk into a smooth sauce.
Milk
Forms the liquid base of the sauce, which thickens as it heats.

The step that matters

Adding the milk to the roux. Adding milk slowly while stirring constantly keeps the flour and butter mixture smooth. Adding it all at once can trap lumps of flour that do not dissolve evenly.

Swap the leek

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

  1. Potatofits better
  2. Capsicumfits better
  3. Chivefits about as well
  4. Leekthe original

Fit is the average pairing score against butter, flour, milk, pepper. 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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