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Green Pepper Sandwiches

A sandwich made with finely chopped sweet peppers, onion, and mayonnaise between bread slices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 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 ↓

Green Pepper Sandwiches

Ingredients

Directions

Prepare

  1. Chop sweet peppers and onion very finely.

Assemble

  1. Mix the chopped peppers and onion with a little mayonnaise.

  2. Place the mixture between thin slices of bread.

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 + breadtop 15% of all pairs
    Smell alikemoderate
    Cooked together8,676 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  3. Pepper + breadtop 16% of all pairs
    Smell alikemoderate
    Cooked together20,964 recipes

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

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

What each ingredient does

Sweet peppers
Provide crisp texture and fresh, mildly sweet flavour to the filling.
Onion
Adds sharp, pungent aroma and a bit of bite to the filling.
Mayonnaise
Binds the chopped vegetables together and adds moisture and richness.
Bread
Provides the structure that holds the filling and gives the sandwich its body.

The step that matters

Chop sweet peppers and onion very finely.. Fine chopping releases less liquid into the mayonnaise and lets the vegetables spread evenly, so the filling stays firm rather than watery and the bread does not soak through.

Swap the onion

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

  1. Capsicumfits better
  2. Tomatofits better
  3. Spinachfits better
  4. Onionthe original

Fit is the average pairing score against pepper, bread. 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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