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Onion and Pepper Sandwiches

A sandwich made with chopped green onions and green peppers mixed with salad dressing, served on thin slices of wheat bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Wheat and bread match in chemistry and in kitchens. They rank in the top 10% of all ingredient pairs, and cooks put them together in 209 recipes. Both carry 2-acetyl-1-pyrroline, which smells popcorn, roasted. The science ↓

Onion and Pepper Sandwiches

Ingredients

Directions

  1. In a bowl, mix the chopped green onions and green peppers with salad dressing.

  2. Spread the mixture between thin slices of wheat 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. Wheat + breadtop 10% of all pairs
    Smell alikestrong
    Cooked together209 recipes

    Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).

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

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

  3. Onion + wheattop 14% of all pairs
    Smell alikemoderate
    Cooked together858 recipes

    Shared aroma: hexanal (green, grassy).

  4. Pepper + wheattop 15% of all pairs
    Smell alikemoderate
    Cooked together984 recipes

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

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

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

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

What each ingredient does

Green onions
Add sharp, aromatic flavor that brightens the filling.
Green peppers
Add crisp texture and fresh, slightly bitter flavor to the filling.
Salad dressing
Binds the vegetables together and adds moisture and tang to the filling.
Wheat bread
Provides the structure that holds the filling and a soft, slightly nutty base.

Swap the onion

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

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

Fit is the average pairing score against pepper, wheat, 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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