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Sauce

Celery Sauce

A thickened sauce made from tomatoes, celery, onions, red peppers, sugar, vinegar, and coarse sea salt.

From an old cookbook · modernised transcription
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Why it works: Tomato and celery are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 3,377 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Celery Sauce

Ingredients

Directions

Prepare

  1. Chop the tomatoes, celery, onions, and red peppers separately.

  2. Combine all chopped ingredients in a pot.

Cook

  1. Cook over medium heat until the mixture thickens.

  2. Stir occasionally to prevent sticking.

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

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

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

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

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

    Shared aroma: guaiacol (smoky, sweet).

  4. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

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

  5. Tomato + oniontop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 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

Tomatoes
Provide most of the liquid and body, which reduces as the sauce thickens.
Celery
Adds its savory, herbal aroma to the sauce.
Onions
Build savory depth and aroma as they soften into the sauce.
Sugar
Adds sweetness and balances the sharpness of the vinegar.
Vinegar
Adds acidity that brightens the sauce and balances its sweetness.
Red peppers
Add sweetness and a mild, fresh flavor to the sauce.

The step that matters

Stirring while the sauce thickens. Sugar and tomato solids settle and scorch on the bottom of the pot when heated for a long time. Occasional stirring over medium heat keeps the mixture from sticking and burning, which would give a bitter taste.

Swap the onion

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

  1. Capsicumfits better
  2. Mustardfits better
  3. Carrotfits better
  4. Onionthe original

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