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Stuffed Peppers

A preserved pepper dish filled with cabbage, mustard, celery seed, horseradish, onion, cucumber, and cold vinegar.

From an old cookbook · modernised transcription
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Why it works: Mustard and horseradish match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,832 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Stuffed Peppers

Ingredients

Directions

Prepare

  1. Cut around the stem of each large pepper and remove the seeds.

  2. In a bowl, mix chopped cabbage, white mustard seed, celery seed, coarse sea salt, and grated horseradish.

Stuff and pack

  1. Fill each pepper with the mixture and add a small onion and a little cucumber.

  2. Tie the stem back on each pepper.

  3. Place the peppers in a jar and cover with cold vinegar.

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. Mustard + horseradishtop 1% of all pairs
    Smell alikestrong
    Cooked together1,832 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Mustard + celerytop 2% of all pairs
    Smell alikemoderate
    Cooked together4,169 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Horseradish + cucumbertop 2% of all pairs
    Smell alikestrong
    Cooked together640 recipes

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

  4. Cabbage + horseradishtop 2% of all pairs
    Smell alikestrong
    Cooked together481 recipes

    Shared aroma: coumarin (sweet, hay).

  5. Mustard + cucumbertop 3% of all pairs
    Smell alikestrong
    Cooked together2,281 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

Large peppers
Hollowed shells that hold the filling and soften as they sit in the vinegar.
Chopped cabbage
Provides the crisp, crunchy bulk of the filling.
White mustard seed
Adds sharp, pungent heat that mellows during pickling.
Grated horseradish
Contributes sharp, pungent heat to the filling.
Cold vinegar
Acidity that preserves the peppers and gives them their tang.

The step that matters

Covering the peppers fully with cold vinegar. Peppers and vegetables exposed to air can spoil or mold. Keeping every piece submerged in the acidic liquid helps preserve them and keeps the texture and flavor even.

Swap the onion

How well each one fits the dish's main ingredients (pepper, cabbage, mustard, celery, horseradish, cucumber, vinegar):

  1. Lettucefits better
  2. Radishfits better
  3. Broccolifits better
  4. Onionthe original

Fit is the average pairing score against pepper, cabbage, mustard, celery, horseradish, cucumber, 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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