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Sauce

Celery Sauce

A tomato-based sauce with celery, peppers, onions, vinegar, sugar, and salt, simmered until thick.

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

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

  2. Combine all ingredients in a pot.

  3. Boil for 1½ hours or until the mixture thickens.

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. Pepper + celerytop 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 bulk, moisture and a fresh, acidic body that cooks down into the sauce.
Vinegar
Adds acidity that sharpens flavour and helps preserve the sauce during long cooking.
Sugar
Balances the sharpness of the vinegar and tomatoes with sweetness.
Celery
Contributes its distinctive savoury aroma and fibrous texture to the sauce.
Onions
Add savoury depth and aroma as they soften and break down during boiling.

The step that matters

Boil until the mixture thickens. Long boiling evaporates water and breaks down the chopped vegetables, so the sauce thickens. Stopping too early leaves it thin and watery, while overcooking can scorch the sugar and darken the sauce.

Swap the onion

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

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

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