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Sauce

Shirley Sauce

A tomato-based sauce with pepper, onion, salt, sugar, ginger, and vinegar, boiled for an hour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 ↓

Shirley Sauce

Ingredients

Directions

Make the sauce

  1. Chop the tomatoes, onion, and pepper finely.

  2. Mix all ingredients together in a pot.

  3. Boil the mixture for one hour.

Bottle

  1. Bottle the sauce while hot.

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. Pepper + gingertop 9% of all pairs
    Smell alikestrong
    Cooked together6,800 recipes

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

  4. Onion + gingertop 9% of all pairs
    Smell alikemoderate
    Cooked together7,595 recipes

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

  5. Tomato + gingertop 10% of all pairs
    Smell alikemoderate
    Cooked together1,887 recipes

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

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 fresh tomato flavour of the sauce.
Vinegar
Adds acidity that sharpens flavour and helps preserve the sauce.
Sugar
Balances the acidity and sharpness of the vinegar and tomatoes with sweetness.
Onion
Adds savoury depth and aromatic flavour as it cooks down.

The step that matters

Boil the mixture for one hour. A full hour of boiling lets the chopped vegetables soften and the liquid reduce and concentrate. Keeping the mixture at a steady boil ensures the sauce thickens and the flavours blend evenly.

Swap the onion

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

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

Fit is the average pairing score against tomato, honey, pepper, sugar, ginger, vinegar. 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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