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 ↓
Mustard Pickles
Ingredients
Directions
Prepare the cucumbers
Peel and quarter the cucumbers, removing all seeds and green parts.
Layer cucumbers and salt in a container and let sit overnight.
The next day, dry each cucumber piece with a cloth.
Make and pack the pickles
Combine vinegar, sugar, mustard seeds, and bay leaves in a pot; bring to a boil.
Add cucumbers a few at a time to the boiling mixture.
Once glazed, remove cucumbers and place them in a stone crock or glass jars, covering with the liquid.
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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Vinegar + mustardtop 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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Vinegar + sugartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
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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
- Form the pickle itself, becoming crisp-tender and absorbing the sweet-sour brine.
- Coarse sea salt
- Draws water out of the cucumbers overnight, firming them and preparing them to take up the brine.
- Vinegar
- Provides the sharp acidity that preserves the pickles and balances the sweetness.
- Sugar
- Adds sweetness that offsets the acidity of the vinegar and helps glaze the cucumbers.
- Whole mustard seeds
- Contribute the characteristic sharp, pungent mustard flavor to the brine.
- Bay leaves
- Add a subtle herbal aroma to the pickling liquid.
The step that matters
Drying the cucumber pieces. Surface moisture left after the salt soak dilutes the boiling brine and keeps the cucumbers from absorbing it evenly, so drying them thoroughly helps the pickles stay firm and flavorful.
Swap the cucumber
How well each one fits the dish's main ingredients (vinegar, sugar, mustard):
- Horseradishfits better
- Radishfits about as well
- Shallotfits about as well
- Cucumberthe original
Fit is the average pairing score against vinegar, sugar, mustard. 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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