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Salad

Cucumber Catsup

A cucumber-based condiment made by grating cucumbers and onions, seasoning with salt, spices, mustard, turmeric, and vinegar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Mustard and horseradish 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 ↓

Cucumber Catsup

Ingredients

Directions

Prepare

  1. Grate the cucumbers and let them drain in a sieve.

  2. Grate the onions and add them to a large bowl with the cucumbers. Mix thoroughly.

Season and bottle

  1. Add salt, spices, mustard, turmeric, and optionally sugar and horseradish.

  2. Pour in vinegar to achieve a pourable consistency for bottling.

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. Mustard + horseradishtop 1% of all pairs
    Smell alikestrong
    Cooked together1,832 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Cucumber + horseradishtop 2% of all pairs
    Smell alikestrong
    Cooked together640 recipes

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

  3. Mustard + turmerictop 3% of all pairs
    Smell alikestrong
    Cooked together2,279 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

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

  5. Turmeric + horseradishtop 3% of all pairs
    Smell alikestrong
    Cooked together437 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

Cucumbers
Provide the bulk of the ketchup and its fresh, watery base texture.
Onions
Add savoury depth and aroma that balances the cucumber's mildness.
Vinegar
Adds acidity and thins the mixture to a pourable consistency.
Mustard
Adds sharp, pungent flavour that rounds out the seasoning.

The step that matters

Drain the grated cucumbers. Cucumber is mostly water, and excess liquid left in the mixture would make the ketchup thin and watery. Draining the grated cucumber first helps it thicken and keeps the texture stable for bottling.

“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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