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Horseradish Vinegar

A fermented horseradish and shallot mixture steeped in vinegar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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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

Steep

  1. Combine all ingredients in a bottle.

  2. Shake well every day for two weeks.

Strain and bottle

  1. Once steeped, strain and bottle the mixture.

  2. It is ready for use immediately.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Horseradish + shallottop 1% of all pairs
    Smell alikestrong
    Cooked together376 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Shallot + vinegartop 12% of all pairs
    Smell alikemoderate
    Cooked together2,374 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Horseradish + vinegartop 12% of all pairs
    Smell alikemoderate
    Cooked 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 heat that gives the vinegar its characteristic bite.
Vinegar
Acts as the solvent that draws flavour out of the horseradish and shallot, and adds sharpness.
Shallot
Adds a mild, savoury onion-like aroma that rounds out the sharpness.
Cayenne
Adds a steady background heat that builds alongside the horseradish.

The step that matters

Shake well every day during the steep. Regular shaking keeps the solids in contact with the vinegar, so flavour compounds dissolve evenly rather than settling in one spot. Skipping days can leave the infusion uneven and weaker.

Swap the horseradish

How well each one fits the dish's main ingredients (shallot, vinegar):

  1. Mustardfits better
  2. Chivefits better
  3. Horseradishthe original
  4. 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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