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Salad

Tomato Pickle

A pickled tomato and onion relish made with spices and vinegar.

From an old cookbook · modernised transcription
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Why it works: Clove and allspice match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 7,874 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Tomato Pickle

Ingredients

Directions

Prepare

  1. Sprinkle sliced tomatoes and onions with salt and let them stand overnight.

  2. Drain the tomatoes and onions well.

Cook

  1. In a kettle, layer the tomatoes, onions, and spices.

  2. Cover completely with vinegar.

  3. Bring to a boil and let it boil for 20 to 30 minutes.

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. Clove + allspicetop 1% of all pairs
    Smell alikestrong
    Cooked together7,874 recipes

    Shared aroma: estragole (anise, licorice).

  2. Mustard + allspicetop 2% of all pairs
    Smell alikestrong
    Cooked together1,928 recipes

    Shared aroma: methyleugenol (clove, spice).

  3. Pepper + clovetop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  4. Pepper + allspicetop 5% of all pairs
    Smell alikestrong
    Cooked together6,395 recipes

    Shared aroma: estragole (anise, licorice).

  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

Green tomatoes
Form the bulk of the pickle and, once salted and drained, give a firm, tangy texture.
Onions
Add savory bulk and sweetness that mellows during the long simmer in vinegar.
Coarse sea salt
Draws moisture out of the tomatoes and onions overnight, firming them for pickling.
Vinegar
Provides the acidity that preserves the vegetables and gives the pickle its sharp flavor.
Yellow mustard seed
Contributes pungent, slightly bitter flavor that deepens as the spices steep in the vinegar.

The step that matters

Draining the salted tomatoes and onions well. Salt draws out water overnight. If excess liquid stays behind, it dilutes the vinegar, softens the vegetables, and weakens the pickle's sharpness and keeping quality.

Swap the tomato

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

  1. Horseradishfits better
  2. Shallotfits better
  3. Capsicumfits better
  4. Tomatothe original

Fit is the average pairing score against onion, mustard, pepper, clove, allspice, 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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