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Sauce

Bright Red Chili Sauce

A bright red sauce made from tomatoes, onions, peppers, vinegar, salt, and sugar, simmered for an hour.

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 ↓

Bright Red Chili Sauce

Ingredients

Directions

Prepare

  1. Chop the onions and peppers finely.

  2. Boil the tomatoes until soft.

  3. Pass the boiled tomatoes through a colander.

Cook

  1. Mix all ingredients together.

  2. Boil the mixture for one hour.

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. Tomato + oniontop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 recipes

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

  3. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  4. Onion + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together18,226 recipes

    Shared aroma: acetic acid (sour, vinegar).

  5. Pepper + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

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 and moisture, breaking down into a pulp when boiled soft.
Onions
Add savory depth and aroma, and some sweetness as they cook down.
Red peppers
Add flavor, color and mild heat to the sauce.
Vinegar
Adds sharp acidity that brightens the sauce and helps preserve it.
Sugar
Adds sweetness that balances the acidity of the vinegar and tomatoes.

The step that matters

Boil the mixture for one hour. A long, steady boil drives off water and thickens the sauce. Too fast a boil or too little stirring can scorch the sugar and tomato solids on the bottom of the pan.

Swap the onion

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

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

Fit is the average pairing score against tomato, pepper, 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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