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Black Bean Soup

A hearty soup made from soaked black beans, butter, flour, and cream, finished with hard‑boiled eggs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Black Bean Soup

Ingredients

Directions

Prepare the beans

  1. Soak the black beans overnight.

  2. Drain the beans.

  3. Cover the beans with cold water, add baking soda, and boil for 15 minutes.

  4. Change the water and boil again for 10 minutes.

  5. Drain the beans.

  6. Add 1 quart of cold water.

  7. Boil until soft, adding more water as needed.

  8. Rub the beans through a sieve.

Make the soup

  1. In a pan, cook butter and flour together.

  2. Stir continuously while adding the butter and flour to prevent clumping.

  3. Add the hot bean liquid, salt, black pepper, and cayenne.

  4. Simmer for 10 minutes.

Finish

  1. Add hot cream or milk and chopped hard‑boiled eggs.

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 + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (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. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 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

Black beans
Form the body of the soup; when pureed they thicken it and give it earthy flavor.
Baking soda
Softens the bean skins so the beans break down more easily during boiling.
Butter
Adds richness and a smooth mouthfeel, and carries the flour into the soup.
Flour
Thickens the soup as its starch swells in the hot liquid.
Cream or milk
Adds richness and a creamy texture to the finished soup.
Hard-boiled eggs
Add chopped texture and a mild, rich body to the soup.

The step that matters

Cooking the butter and flour together. Flour clumps when its starch hits hot liquid unevenly. Cooking it in fat and stirring constantly coats each grain so it blends smoothly and thickens evenly.

Swap the beans

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

  1. Almondfits better
  2. Pistachiofits better
  3. Chestnutfits better
  4. Beansthe original

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