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Bean Soup

A soup made from soaked white beans, water, flour, butter, salt, pepper, and toasted bread pieces.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Bean Soup

Ingredients

Directions

Prepare the beans

  1. Soak the beans overnight.

  2. Drain the beans and add fresh water.

  3. Cook over heat until the skins slip off easily.

  4. Transfer the beans to cold water and rub them to remove skins.

Make the soup

  1. Boil the beans until perfectly soft.

  2. Mash the beans and mix in flour, butter, salt, and pepper.

  3. Cut the cold bread into small pieces, toast them, and add to the soup when serving.

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 + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

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

  2. Beans + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together4,733 recipes

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

  3. Beans + flourtop 11% of all pairs
    Smell alikemoderate
    Cooked together2,080 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Beans + breadtop 15% of all pairs
    Smell alikemoderate
    Cooked together332 recipes

    Shared aroma: guaiacol (smoky, sweet).

Flour and butter 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

White beans
Provide the main body and starch that thickens the soup when mashed.
Flour
Thickens the soup by binding with the mashed beans and water.
Butter
Adds richness and a smooth, silky mouthfeel to the soup.
Cold bread
Toasted pieces add crunch and contrast to the soft soup.

The step that matters

Boil the beans until perfectly soft. Beans must be fully tender before mashing; starch in dried beans softens slowly, and undercooked beans stay grainy and leave the soup gritty rather than smooth.

Swap the beans

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

  1. Almondfits better
  2. Chestnutfits about as well
  3. Beansthe original
  4. Lentilsfits about as well

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