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Cucumber Mash

A pickled cucumber mash with onions, mustard, pepper, and vinegar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Cucumber and mustard match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 2,281 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Cucumber Mash

Ingredients

Directions

Prepare

  1. Peel and slice the cucumbers, then sprinkle with coarse sea salt and let them stand on a sieve for 2 hours to drain excess water.

  2. Chop the cucumbers finely and mix with the chopped onions, white mustard seed, ground mustard, ground black pepper, and black mustard seed.

Bottle

  1. Add enough wine vinegar to achieve a thick ketchup-like consistency.

  2. Fill jars with the mixture, tie them up, and seal tightly.

  3. Check the jars after a few days and add more vinegar if necessary.

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. Cucumber + mustardtop 3% of all pairs
    Smell alikestrong
    Cooked together2,281 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Mustard + vinegartop 7% of all pairs
    Smell alikemoderate
    Cooked together14,067 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Cucumber + oniontop 8% of all pairs
    Smell alikestrong
    Cooked together6,050 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  5. Cucumber + vinegartop 8% of all pairs
    Smell alikemoderate
    Cooked together4,734 recipes

    Shared aroma: 2-methylbutyl acetate (fruit).

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

What each ingredient does

Green cucumbers
Form the bulk of the mash, providing fresh crunchy texture once chopped and drained.
Coarse sea salt
Draws excess water out of the cucumbers, so the mash stays thick rather than watery.
White mustard seed
Adds sharp pungent flavour and a bit of texture to the mash.
Black mustard seed
Adds a more intense, sharper mustard heat and texture to the mash.
Wine vinegar
Provides acidity that sharpens flavour and helps preserve the mash in sealed jars.

The step that matters

Draining the cucumbers. Salting and standing the cucumbers pulls out excess water. If they are not drained well, the mash stays loose and can dilute the vinegar, weakening both texture and preservation.

Swap the onion

How well each one fits the dish's main ingredients (cucumber, mustard, pepper, wine, vinegar):

  1. Horseradishfits better
  2. Lettucefits better
  3. Radishfits better
  4. Onionthe original

Fit is the average pairing score against cucumber, mustard, pepper, wine, 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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