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 ↓
Olive Oil Pickles
Ingredients
Directions
Prepare
Slice the cucumbers and place them in a large jar.
Make the pickles
Add the black mustard seed, yellow mustard seed, salt, and olive oil; mix well.
Transfer the mixture into jars without packing too tightly.
Fill the jars with cider vinegar.
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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Cucumber + olivetop 6% of all pairsSmell alikestrongCooked together3,611 recipes
Shared aroma: 2-methylbutyl acetate (fruit).
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Cider + vinegartop 6% of all pairsSmell alikemoderateCooked together3,431 recipes
Shared aroma: 4-ethyl-2-methoxyphenol (smoky, clove).
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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + olivetop 8% of all pairsSmell alikestrongCooked together5,950 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cucumbers
- Provide the crisp body that the brine softens and flavours over time.
- Black mustard seed
- Adds sharp, pungent heat and aroma that develops as the seeds soak.
- Yellow mustard seed
- Contributes milder mustard flavour and a gentle aroma to the brine.
- Olive oil
- Adds fat and richness that coats the cucumbers and mellows the sharp vinegar.
- Cider vinegar
- Provides the acidity that preserves the cucumbers and gives them their tang.
The step that matters
Do not pack the jars too tightly. Cucumbers and seasonings need room for the vinegar to circulate and reach every piece. Tight packing leaves dry pockets that pickle unevenly and can trap air bubbles.
Swap the cucumber
How well each one fits the dish's main ingredients (mustard, olive, cider, vinegar):
- Horseradishfits about as well
- Cucumberthe original
- Lettucefits about as well
- Broccolifits about as well
Fit is the average pairing score against mustard, olive, cider, 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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