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Tomato Butter

A sweetened tomato preserve made with tomatoes, vinegar, sugar, and spices.

From an old cookbook · modernised transcription
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Why it works: Vinegar and sugar are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 20,806 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Tomato Butter

Ingredients

Directions

  1. Place the tomatoes and vinegar in a pot on the stove.

  2. Cook slowly until nearly done.

  3. Add the sugar and spices, then continue cooking until finished.

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. Vinegar + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

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

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

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

  3. Tomato + sugartop 33% of all pairs
    Smell alikelow
    Cooked together4,667 recipes

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

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

What each ingredient does

Ripe tomatoes
Provide the main body, moisture and flavor that cook down into the butter.
Vinegar
Adds acidity that brightens the flavor and helps preserve the cooked tomatoes.
Sugar
Adds sweetness and, as it cooks down, thickens the mixture into a spreadable butter.

The step that matters

Cooking until finished. Sugar added late thickens the mixture as water evaporates, and the sugar can scorch on the bottom of the pot if heat is too high or stirring stops. Keep the heat low and stir often.

Swap the tomato

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

  1. Mustardfits better
  2. Capsicumfits better
  3. Cucumberfits better
  4. Tomatothe original

Fit is the average pairing score against 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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