Why it works: Cucumber and mustard match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 2,281 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Cucumber Pickle
Ingredients
Directions
Prepare
Wash cucumbers and place them in a jar.
In a bowl, mix brown sugar, coarse sea salt, and dry mustard.
Add vinegar to the dry mixture and stir well.
Pickle
Pour the mixture over the cucumbers, ensuring they are fully covered.
Cover the jar with a plate and let it sit for ten days before using.
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 + mustardtop 3% of all pairsSmell alikestrongCooked together2,281 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Cucumber + vinegartop 8% of all pairsSmell alikemoderateCooked together4,734 recipes
Shared aroma: 2-methylbutyl acetate (fruit).
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Sugar + vinegartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Sugar + mustardtop 19% of all pairsSmell alikemoderateCooked together8,424 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cucumbers
- Provide the crisp vegetable base that absorbs the brine flavour over time.
- Brown sugar
- Adds sweetness and mellow depth that balances the sharp vinegar.
- Coarse sea salt
- Draws flavour into the cucumbers and helps preserve the pickle.
- Dry mustard
- Adds pungent, sharp flavour that mellows during the long rest.
- Vinegar
- Provides acidity that preserves the cucumbers and gives the pickle its tang.
The step that matters
Fully submerge the cucumbers. Cucumbers exposed above the liquid can spoil or mould, since air and low acidity allow microbes to grow. Keeping every piece covered by the vinegar brine protects the pickle during the ten-day rest.
Swap the cucumber
How well each one fits the dish's main ingredients (sugar, mustard, vinegar):
- Horseradishfits better
- Radishfits about as well
- Shallotfits about as well
- Cucumberthe original
Fit is the average pairing score against sugar, mustard, 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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