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Preserve

To Preserve Cucumbers

A method for preserving cucumbers using salt, alum, sugar, and syrup.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Cucumber and sugar are a kitchen classic. They rank in the top 26% of all ingredient pairs, and cooks put them together in 3,112 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

To Preserve Cucumbers

Ingredients

Directions

Prepare the cucumbers

  1. Split the cucumbers and remove all seeds.

  2. Soak them in saltwater for three days.

  3. In a pot, combine cucumbers with cold water and a small piece of alum; boil until tender.

Sweeten in syrup

  1. Drain the cucumbers and pour a thin syrup over them.

  2. Let them sit for two days.

  3. Boil the syrup again and pour it over the cucumbers.

  4. Repeat this twice more.

  5. Prepare fresh clarified sugar boiled to a blow, add the cucumbers, and simmer for five minutes.

  6. Let it cool overnight.

  7. Boil the syrup and cucumbers again.

  8. Store in jars.

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. Cucumber + sugartop 26% of all pairs
    Smell alikemoderate
    Cooked together3,112 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Large fresh cucumbers
Form the pickle itself; their firm flesh softens and takes up the syrup during repeated soaking and boiling.
Coarse sea salt
Draws water out of the cucumbers during the saltwater soak, firming the flesh and seasoning it.
Alum
Hardens the cucumber tissue so it stays crisp rather than turning mushy during boiling.
Sugar
Makes the syrup that slowly sweetens and preserves the cucumbers through repeated boiling and resting.

The step that matters

Repeated syrup boiling and resting. Each round of boiling and cooling must be repeated fully so the sugar gradually replaces water in the cucumbers. Rushing or skipping rounds leaves the pickle watery and less preserved.

“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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