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Tomato Relish

A preserved tomato relish made with tomatoes, celery, onions, green peppers, sugar, salt, mustard seed, and vinegar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Celery and mustard are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 4,169 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

Tomato Relish

Ingredients

Directions

Prepare

  1. Peel the tomatoes, chop them finely, and drain overnight in a jelly bag.

  2. Chop the onions, celery, and green peppers finely.

Mix and bottle

  1. Mix all ingredients well and bottle.

  2. Seal with paraffin.

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. Celery + mustardtop 2% of all pairs
    Smell alikemoderate
    Cooked together4,169 recipes

    Shared aroma: guaiacol (smoky, sweet).

  2. Tomato + celerytop 4% of all pairs
    Smell alikemoderate
    Cooked together3,377 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Celery + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

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

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

  5. Celery + oniontop 7% of all pairs
    Smell alikemoderate
    Cooked together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Tomatoes
Form the bulk of the relish and supply its fresh tomato flavour.
Onions
Add savoury depth and body to the relish.
Sugar
Adds sweetness that balances the sharpness of the vinegar.
Vinegar
Provides acidity that sharpens the flavour and helps preserve the relish.
White mustard seed
Adds a sharp, pungent flavour.

The step that matters

Draining the tomatoes. Tomatoes hold a lot of watery juice. If they are not drained well, the excess liquid dilutes the vinegar and sugar, leaving the relish thin and less stable in the bottle.

Swap the onion

How well each one fits the dish's main ingredients (tomato, celery, pepper, sugar, mustard, vinegar):

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

Fit is the average pairing score against tomato, celery, pepper, sugar, mustard, 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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