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French Beans

A pickled bean dish made by brining, vinegar, and spices over several days.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Clove and pepper 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. Gather fresh French beans before they have strings.

  2. Prepare a strong brine with water and coarse sea salt until the beans turn yellow.

  3. Drain the beans from the brine.

Pickle

  1. Pour boiling hot vinegar over the beans and seal them tightly for 24 hours.

  2. Repeat this process for four or five days until the beans turn green.

  3. Add ½ ounce each of cloves, mace, and pepper to a peck of 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. Clove + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  2. Clove + macetop 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. Vinegar + peppertop 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

Fresh french beans
The main vegetable, which changes colour and texture as it is brined and pickled.
Coarse sea salt
Seasons the brine and draws water out of the beans during brining.
Vinegar
Its acidity preserves the beans and gives them a sharp, tangy flavour.
Cloves
Adds a warm, aromatic spice flavour to the pickling liquid.
Mace
Adds a delicate, aromatic spice flavour to the beans.
Pepper
Adds a sharp, aromatic heat to the pickled beans.

The step that matters

Repeating the hot vinegar treatment. The beans change from yellow to green only through repeated days of hot vinegar, so stopping early leaves them short of the intended colour. Vinegar's acidity is what preserves them, so each sealed jar must stay airtight for the full 24 hours.

Swap the mace

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

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

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