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
Split cucumbers and remove all seeds.
Soak cucumbers in a saltwater solution that can float an egg for three days.
Place cucumbers in a pot with cold water and alum.
Boil cucumbers for a few minutes until tender.
Drain cucumbers.
Make the syrup and steep
Pour a thin syrup over cucumbers.
Let cucumbers sit for two days.
Boil syrup again.
Pour boiled syrup over cucumbers.
Repeat this process two more times.
Prepare fresh clarified sugar boiled to a soft ball stage.
Add cucumbers to syrup.
Simmer for five minutes.
Set aside until the next day.
Finish and store
Boil syrup and cucumbers again.
Transfer to jars for storage.
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.
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Cucumber + sugartop 26% of all pairsSmell alikemoderateCooked 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, becoming crisp and tender as they absorb the syrup.
- Coarse sea salt
- Draws water out of the cucumbers and firms their texture during the saltwater soak.
- A small lump of alum
- Helps the cucumbers stay firm and crisp through repeated heating.
- Sugar
- Makes the syrup that sweetens the cucumbers and preserves them as it penetrates.
The step that matters
Repeated boiling and resting of the syrup. Sugar syrup must be reheated and poured over the cucumbers several times so it slowly replaces the water in the cucumber flesh. Boiling too early or too briefly leaves the pickles 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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