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Sauce

Tomato Butter

A sweet and tangy tomato sauce made with tomatoes, brown sugar, vinegar, and cinnamon, simmered slowly for several hours.

From an old cookbook · modernised transcription
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Why it works: Sugar and cinnamon are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 30,779 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

Tomato Butter

Ingredients

Directions

Prepare

  1. Wash and chop the tomatoes.

Cook

  1. Combine tomatoes, brown sugar, vinegar, and cinnamon in a large pot.

  2. Boil the mixture slowly for 5 to 6 hours, stirring occasionally.

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. Sugar + cinnamontop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

  2. Tomato + cinnamontop 11% of all pairs
    Smell alikemoderate
    Cooked together1,348 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  3. Sugar + vinegartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

    Shared aroma: beta-damascenone (apple, rose).

  4. Tomato + vinegartop 16% of all pairs
    Smell alikemoderate
    Cooked together5,063 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. Vinegar + cinnamontop 19% of all pairs
    Smell alikemoderate
    Cooked together5,187 recipes

    Shared aroma: 4-ethyl-2-methoxyphenol (smoky, clove).

Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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

Ripe tomatoes
Provide the bulk and moisture that cook down into the butter.
Light brown sugar
Adds sweetness and, as it cooks, helps thicken and darken the butter.
Vinegar
Adds acidity that brightens the flavor and balances the sweetness.

The step that matters

Boil the mixture slowly for 5 to 6 hours. Long, gentle cooking evaporates water and concentrates the sugars until the mixture thickens into a spreadable butter. Stirring prevents scorching on the bottom of the pot, where sugars can burn.

Swap the tomato

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

  1. Mustardfits better
  2. Capsicumfits better
  3. Sweet potatofits better
  4. Tomatothe original

Fit is the average pairing score against sugar, vinegar, cinnamon. 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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