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Tomato Sauce

A sauce made from peeled tomatoes simmered with salt, pepper, sugar, butter, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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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

Prepare the tomatoes

  1. Pour boiling water over the tomatoes and peel them.

Cook and strain

  1. Place the peeled tomatoes in a porcelain kettle with salt and pepper.

  2. Simmer for one hour.

  3. Run the mixture through a colander.

Finish the sauce

  1. Return the sauce to the stove and add sugar, butter, and flour.

  2. Boil until the sauce is thicker than cream.

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
Provide the main body, flavor, and liquid that forms the sauce.
Butter
Adds fat and richness, giving the sauce a smoother mouthfeel.
Flour
Thickens the sauce as it boils, making it thicker than cream.
Sugar
Balances the acidity of the tomatoes with mild sweetness.

The step that matters

Boil until thicker than cream. Flour needs to boil to swell and thicken the liquid fully; stopping early leaves the sauce thin and possibly floury-tasting, while over-boiling can scorch the sauce on the bottom of the pan.

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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