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Drink

Combination Pickle

A tomato pickle with horseradish, celery, onions, mustard seed, spices, and vinegar.

From an old cookbook · modernised transcription
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Why it works: Horseradish and mustard 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 ↓

Combination Pickle

Ingredients

Directions

  1. Mix all ingredients together in a large bowl.

  2. Transfer to jars for storage. No cooking is required. This pickle will keep in any jar without sealing.

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 + mustardtop 1% of all pairs
    Smell alikestrong
    Cooked together1,832 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Celery + mustardtop 2% of all pairs
    Smell alikemoderate
    Cooked together4,169 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Tomato + celerytop 4% of all pairs
    Smell alikemoderate
    Cooked together3,377 recipes

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

  4. Celery + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

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

  5. Onion + mustardtop 6% of all pairs
    Smell alikestrong
    Cooked together9,259 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

Ripe tomatoes
Provides the main body and bulk of the pickle.
Vinegar
Adds acidity that gives the pickle its tangy flavour and helps it keep.
Sugar
Balances the sharpness of the vinegar with sweetness.
Horseradish
Adds a sharp, pungent heat that stands out against the sweetness.
Mustard seed
Contributes a sharp, pungent flavour and a bit of texture.

Swap the onion

How well each one fits the dish's main ingredients (tomato, horseradish, celery, mustard, sugar, pepper, cinnamon):

  1. Lettucefits better
  2. Capsicumfits better
  3. Broccolifits better
  4. Onionthe original

Fit is the average pairing score against tomato, horseradish, celery, mustard, sugar, pepper, cinnamon. 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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