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Broad Beans

Broad beans cooked with butter, flour, onion, and water.

From an old cookbook · modernised transcription
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Why it works: Beans and onion match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 5,242 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Broad Beans

Ingredients

Directions

Prepare

  1. Remove the pods and shell the beans.

  2. Skim the skins off the beans.

Cook

  1. Place the skinned beans in a thickly buttered pot.

  2. Mix the butter with flour, salt, and minced onion.

  3. Add the butter mixture and water to the beans.

  4. Cook for 45 minutes, reducing heat after the first 5 minutes.

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. Beans + oniontop 7% of all pairs
    Smell alikestrong
    Cooked together5,242 recipes

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

  2. Beans + flourtop 11% of all pairs
    Smell alikemoderate
    Cooked together2,080 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. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Flour + oniontop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 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

Broad beans
Form the main body of the dish, providing the bulk of the texture and flavor.
Butter
Adds richness and fat, carrying flavor and helping the beans stay tender.
All-purpose flour
Thickens the cooking liquid into a light sauce as it heats.

The step that matters

Reducing the heat after 5 minutes. Starting at high heat can scorch the butter and flour mixture on the bottom of the pot. Lowering the heat after the first few minutes lets the beans cook gently and evenly, so the liquid thickens without sticking or burning.

Swap the onion

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

  1. Sweet potatofits better
  2. Chivefits better
  3. Shallotfits better
  4. Onionthe original

Fit is the average pairing score against beans, butter, 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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