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 ↓
Chopped Pickle
Ingredients
Directions
Prepare
Sprinkle the chopped cucumbers and onions with salt.
Place the mixture in a cheesecloth bag and let it drain overnight.
Season and cover
Add mustard seed and black pepper to the drained mixture.
Mix well and cover 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.
Photo for illustrative purposes only · Contact us to use it
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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Onion + mustardtop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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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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Cucumber + oniontop 8% of all pairsSmell alikestrongCooked together6,050 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cucumbers
- Form the bulk of the pickle, providing crunch once salted and drained.
- Onions
- Add savory flavor and bulk alongside the cucumbers.
- Table salt
- Draws moisture out of the vegetables, firming them and reducing watery texture.
- Mustard seed
- Adds pungent, earthy flavor that deepens as the pickle sits.
- Cider vinegar
- Provides the acidity that preserves and sharpens the pickle.
The step that matters
Drain overnight after salting. Salt pulls water out of the cucumbers and onions. Draining long enough removes that liquid so the vegetables stay crisp rather than diluting the vinegar later.
Swap the onion
How well each one fits the dish's main ingredients (cucumber, mustard, pepper, cider, vinegar):
- Horseradishfits better
- Radishfits better
- Lettucefits better
- Onionthe original
Fit is the average pairing score against cucumber, mustard, pepper, 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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