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Tomato Sauce

A sauce made from stewed tomatoes, seasoned with pepper, salt, sugar, and butter, thickened with flour.

From an old cookbook · modernised transcription
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Why it works: Tomato and pepper are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,923 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Tomato Sauce

Ingredients

Directions

  1. Stew the can of tomatoes for 20 minutes.

  2. Pulp the tomatoes through a colander and return to the saucepan.

  3. Add pepper, salt, sugar, and butter rolled in flour.

  4. Simmer for another 20 minutes, or until the sauce is the consistency of boiled custard.

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

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

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Pepper + flourtop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

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

What each ingredient does

Tomatoes
Form the base of the sauce, supplying most of its body and flavor.
Butter and flour
Flour rolled into butter thickens the sauce and adds richness.
Sugar
Sweetness that balances the acidity of the tomatoes.

The step that matters

Simmer until the sauce thickens. Simmering reduces water and lets the flour starch swell, so the sauce thickens to the custard-like consistency the recipe describes. Stopping too early leaves it thin, while overcooking can make it stick and scorch.

Swap the tomato

How well each one fits the dish's main ingredients (pepper, sugar, butter, flour):

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

Fit is the average pairing score against pepper, sugar, butter, flour. 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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