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Horseradish Vinegar

A fermented vinegar flavored with horseradish, cayenne, pepper, celery seeds, and onions.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pepper and celery match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 16,012 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Horseradish Vinegar

Ingredients

Directions

  1. Combine the horseradish, vinegar, cayenne, black pepper, celery seeds, and bruised onions in a jar.

  2. Seal the jar and let it sit for 8 to 10 days.

  3. After steeping, filter the vinegar.

  4. Bottle the filtered vinegar for use.

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. Pepper + celerytop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Horseradish + celerytop 6% of all pairs
    Smell alikemoderate
    Cooked together835 recipes

    Shared aroma: coumarin (sweet, hay).

  3. Horseradish + oniontop 7% of all pairs
    Smell alikestrong
    Cooked together1,784 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Celery + oniontop 7% of all pairs
    Smell alikemoderate
    Cooked together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Horseradish + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together2,646 recipes

    Shared aroma: coumarin (sweet, hay).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Horseradish
Provides the sharp, pungent flavour that steeps into the vinegar.
Vinegar
Acts as the solvent that extracts flavour from the horseradish and onion over the steeping period.
Cayenne pepper
Adds heat that builds gradually as the vinegar steeps.

The step that matters

Filtering after steeping. Solids left in the vinegar keep extracting flavour and can make it cloudy or harsher over time. Filtering after the full 8 to 10 days stops further extraction and gives a clear, stable vinegar.

Swap the onion

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

  1. Mustardfits better
  2. Cabbagefits better
  3. Radishfits better
  4. Onionthe original

Fit is the average pairing score against horseradish, vinegar, pepper, celery. 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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