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Pepper Sauce

A sauce made from ground sweet peppers, onions, vinegar, sugar, and salt, boiled and bottled.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pepper and onion are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Pepper Sauce

Ingredients

Directions

Prepare the vegetables

  1. Grind the peppers and onions using a meat grinder.

  2. Pour boiling water over the mixture and let it stand for 5 minutes.

  3. Drain the mixture, pour boiling water over it again, and let it stand for 10 minutes.

  4. Drain thoroughly, then add sugar, salt, and vinegar.

Cook and bottle

  1. Boil the mixture for 20 minutes.

  2. Pour into bottles and seal.

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. Pepper + oniontop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

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

    Shared aroma: acetic acid (sour, vinegar).

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

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

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

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

  5. Pepper + sugartop 32% of all pairs
    Smell alikelow
    Cooked together19,401 recipes

    Shared aroma: 2-nonenal (fatty, green).

Pepper and sugar barely smell alike, yet cooks put them together in 19,401 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

Sweet peppers
Provide the main bulk and fresh, sweet pepper flavor of the sauce.
Onions
Add savory depth and aroma to the sauce.
Vinegar
Adds acidity that gives the sauce its tang and helps preserve it.
Sugar
Balances the acidity of the vinegar with sweetness.

The step that matters

Draining thoroughly after the boiling water soaks. Water left in the ground mixture dilutes the vinegar and sugar, weakening the flavor and making the sauce runnier than intended.

Swap the onion

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

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

Fit is the average pairing score against 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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