Why it works: Horseradish and shallot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 376 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Horseradish Vinegar
Ingredients
Directions
Combine all ingredients in a bottle.
Shake well every day for two weeks.
Once steeped, strain and bottle the vinegar.
It is ready for use immediately.
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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Horseradish + shallottop 1% of all pairsSmell alikestrongCooked together376 recipes
Shared aroma: coumarin (sweet, hay).
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Shallot + vinegartop 12% of all pairsSmell alikemoderateCooked together2,374 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Horseradish + vinegartop 12% of all pairsSmell alikemoderateCooked together2,609 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Horseradish
- Supplies the sharp, pungent flavour that infuses into the vinegar as it steeps.
- Shallot
- Adds a mild savoury onion note that rounds out the sharpness of the vinegar.
- Cayenne
- Contributes heat and a lingering pungency to the finished vinegar.
- Vinegar
- Acts as the solvent that extracts flavour from the horseradish and shallot over time.
The step that matters
Shaking daily during the two-week steep. Shaking keeps the solids in contact with the vinegar and spreads flavour compounds evenly, so the infusion is consistent throughout the bottle rather than concentrated in one layer.
Swap the horseradish
How well each one fits the dish's main ingredients (shallot, vinegar):
- Mustardfits better
- Chivefits better
- Horseradishthe original
- Kalefits about as well
Fit is the average pairing score against shallot, 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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