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Chow Chow

A preserved relish of green tomatoes, onions, peppers, salt, sugar, spices, 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 celery 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 ↓

Chow Chow

Ingredients

Directions

Prepare the vegetables

  1. Chop the green tomatoes, onions, and green peppers.

  2. Sprinkle with coarse sea salt and drain overnight.

Cook the relish

  1. In the morning, place the mixture in a porcelain kettle.

  2. Add brown sugar, black pepper, mustard, and celery seed.

  3. Cover with vinegar and boil until done.

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 + celerytop 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. Pepper + celerytop 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. Onion + celerytop 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

Green tomatoes
Form the bulk of the relish and contribute tartness and texture.
Onions
Add savory flavor and body as they soften during cooking.
Green peppers
Add fresh, slightly bitter vegetable flavor and texture.
Brown sugar
Adds sweetness and balances the acidity of the vinegar.
Vinegar
Provides acidity that preserves the relish and sharpens its flavor.

The step that matters

Drain overnight after salting. Salt draws water out of the chopped vegetables. Draining removes that liquid so the relish stays thick and does not turn watery during boiling.

Swap the onion

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

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

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