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 ↓
Sliced Cucumber Pickle
Ingredients
Directions
Salt the vegetables
Layer cucumbers and onions in a bowl and sprinkle with salt. Let sit overnight.
Dress and jar
Scald the mixture with 1 pint of vinegar and drain in a colander.
In a separate bowl, mix mustard, cayenne pepper, and remaining vinegar.
Pour the dressing over the cucumbers and onions, and mix well.
Transfer to airtight jars.
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.
-
Cucumber + mustardtop 3% of all pairsSmell alikestrongCooked together2,281 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + mustardtop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Cucumber + oniontop 8% of all pairsSmell alikestrongCooked together6,050 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Cucumber + vinegartop 8% of all pairsSmell alikemoderateCooked together4,734 recipes
Shared aroma: 2-methylbutyl acetate (fruit).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cucumbers
- Provide the bulk and crisp texture of the pickle.
- Onions
- Add sharp aroma and savory flavor that mellows during the rest.
- Coarse sea salt
- Draws water out of the cucumbers and onions, firming them for a crisper pickle.
- Vinegar
- Adds acidity that gives the pickle its tang and helps preserve it.
- Mustard
- Adds pungent, tangy flavor to the dressing.
- Cayenne pepper
- Adds gentle background heat to the dressing.
The step that matters
Scalding the mixture with vinegar. Heat softens cucumbers quickly, so scalding only briefly and draining well helps keep the pickles crisp rather than limp.
Swap the onion
How well each one fits the dish's main ingredients (cucumber, vinegar, mustard, pepper):
- Horseradishfits better
- Lettucefits better
- Radishfits better
- Onionthe original
Fit is the average pairing score against cucumber, vinegar, mustard, pepper. 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.
More cucumber pickles recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Fritters56 recipes
Crisp Crackers7 recipes