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French Beans

A pickled bean dish preserved in a brine of salt, water, vinegar, and spices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Pepper and clove match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 17,451 recipes. Both carry ethyl octanoate, which smells fruity, wine. The science ↓

French Beans

Ingredients

Directions

Brine the beans

  1. Make a strong brine with salt and water.

  2. Gather the beans before they have strings and lay them in the brine until they turn yellow.

Pickle the beans

  1. Drain the beans and pour boiling hot vinegar over them.

  2. Seal the jar tightly for a day and night.

  3. Boil the vinegar and pour it over the beans again for several days until they turn green.

  4. Add ½ ounce each of pepper, mace, and cloves to the beans.

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. Pepper + clovetop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  2. Mace + clovetop 6% of all pairs
    Smell alikelow
    Cooked together8,400 recipes

    Shared aroma: methyleugenol (clove, spice).

  3. Beans + clovetop 9% of all pairs
    Smell alikestrong
    Cooked together908 recipes

    Shared aroma: 2-heptanol (bitter, floral).

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

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

  5. Pepper + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

French beans
The main vegetable, providing the bulk and crisp bite of the finished pickle.
Coarse sea salt
Draws water out of the beans in the brine and seasons them.
Vinegar
Its acidity preserves the beans and gives the pickle its sharp, tangy flavour.
Black pepper
Adds a warm, sharp aroma and spiciness to the pickled beans.
Mace
Contributes a warm, aromatic flavour to the pickling liquid.
Cloves
Adds a strong, warm aroma that flavours the pickled beans.

The step that matters

Pour boiling hot vinegar over the beans and keep them covered. Hot vinegar penetrates the beans and its acid preserves them, so it must be fully boiling and the beans kept submerged. Any exposed beans can spoil.

Swap the mace

How well each one fits the dish's main ingredients (beans, pepper, clove, vinegar):

  1. Allspicefits better
  2. Cinnamonfits better
  3. Cuminfits better
  4. Macethe original

Fit is the average pairing score against beans, pepper, clove, vinegar. 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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