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Salad

Onions and Cucumbers

A pickled cucumber and onion salad preserved in vinegar, salt, pepper, and ginger.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Onions and Cucumbers

Ingredients

Directions

Prepare

  1. Cut cucumbers and onions into thick slices.

  2. Sprinkle salt over the slices.

  3. Drain for 5-6 hours the next day.

Pickle

  1. Place in a stone jar and pour boiling vinegar over them.

  2. Keep in a warm place and repeat pouring boiling vinegar until green.

  3. On the last time, add black pepper and ginger.

  4. Seal the jars and store.

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. Pepper + gingertop 9% of all pairs
    Smell alikestrong
    Cooked together6,800 recipes

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

  4. Onion + gingertop 9% of all pairs
    Smell alikemoderate
    Cooked together7,595 recipes

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

  5. Cucumber + gingertop 10% of all pairs
    Smell alikemoderate
    Cooked together973 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

Cucumbers
Provide the crisp, watery body that the salt and vinegar work on.
Onions
Add sharp, aromatic flavour that softens during pickling.
Boiling vinegar
Adds acidity that tangs the vegetables and helps preserve them.

The step that matters

Drain after salting. Salt draws water out of the cucumbers and onions. If they are not drained well, the extra liquid dilutes the vinegar and leaves the pickles soft and watery.

Swap the ginger

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

  1. Garlicfits better
  2. Tarragonfits better
  3. Dillfits better
  4. Gingerthe original

Fit is the average pairing score against cucumber, onion, vinegar, pepper. 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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