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Cucumber Relish

A pickled cucumber relish made with cucumbers, onion, salt, and boiling vinegar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Cucumber and onion match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 6,050 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Cucumber Relish

Ingredients

Directions

Prepare

  1. Peel and slice enough cucumbers to fill a quart fruit jar.

  2. Add a sliced onion and season with coarse sea salt.

Pack and seal

  1. Mix carefully, fill the jars, and pour over boiling vinegar.

  2. Seal the jars at once and keep in a dark, cool place.

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

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

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

    Shared aroma: 2-methylbutyl acetate (fruit).

  3. Onion + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together18,226 recipes

    Shared aroma: acetic acid (sour, vinegar).

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

What each ingredient does

Cucumbers
Make up the bulk of the relish and provide its crisp, fresh texture.
Onion
Adds sharp aromatic flavour that deepens as the relish sits.
Boiling vinegar
Acidity that preserves the vegetables and gives the relish its tang.

The step that matters

Pouring over the boiling vinegar. The vinegar must be hot enough to help seal and preserve the packed vegetables. Sealing the jars at once keeps air out and helps the relish stay safe and crisp.

Swap the onion

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

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

Fit is the average pairing score against cucumber, 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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