Why it works: Mustard and horseradish match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,832 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Cucumber Pickles
Ingredients
Directions
Prepare the cucumbers
Make a weak brine with water and salt.
Soak cucumbers in hot brine for 24 hours or cold brine for 48 hours.
Rinse and dry cucumbers with a cloth.
Heat and pack
In a brass kettle, combine vinegar and alum.
Add cucumbers and heat slowly, turning frequently.
Once heated through, transfer cucumbers to a crock.
Bring the vinegar to a boil.
Pour boiled vinegar over the pickles and let them sit for at least 24 hours.
Drain off the vinegar and discard it.
Spice and finish
Divide mustard seed, cloves, celery seed, cinnamon, green pepper, horseradish, and sugar into small muslin bags.
Scald vinegar with the muslin bags of spices.
Pour the spiced vinegar over the pickles.
Let the vinegar cool before pouring it over the pickles for crunchier pickles.
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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Mustard + horseradishtop 1% of all pairsSmell alikestrongCooked together1,832 recipes
Shared aroma: coumarin (sweet, hay).
-
Clove + cinnamontop 1% of all pairsSmell alikestrongCooked together14,189 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
-
Mustard + celerytop 2% of all pairsSmell alikemoderateCooked together4,169 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Cucumber + horseradishtop 2% of all pairsSmell alikestrongCooked together640 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Cucumber + mustardtop 3% of all pairsSmell alikestrongCooked together2,281 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
- The main vegetable; their firm flesh becomes the crisp pickle texture.
- Vinegar
- Provides the sour acidity that flavours and helps preserve the pickles.
- Alum
- Helps firm the cucumber flesh so the pickles stay crisp.
- White mustard seed
- Adds sharp, pungent flavour to the spiced vinegar.
- Cloves
- Contributes warm, aromatic spice flavour to the vinegar.
- Sugar
- Adds optional sweetness that balances the sharp vinegar.
The step that matters
Heat the cucumbers slowly and turn them often. Slow, even heating keeps the cucumbers from overcooking and going soft. Turning them helps the heat reach all surfaces evenly, so the texture stays firm.
Swap the celery
How well each one fits the dish's main ingredients (cucumber, vinegar, mustard, clove, cinnamon, pepper, horseradish):
- Allspicefits better
- Tarragonfits better
- Dillfits better
- Celerythe original
Fit is the average pairing score against cucumber, vinegar, mustard, clove, cinnamon, pepper, horseradish. 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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