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Egg Sandwich

A sandwich made with chopped hard-boiled eggs, onion, and salad dressing spread on buttered bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Egg and bread are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 22,662 recipes. Both carry (e)-2-octenal, which smells fatty, green. The science ↓

Egg Sandwich

Ingredients

Directions

Make the filling

  1. In a bowl, mix the chopped onion and hard-boiled eggs with the salad dressing until it forms a paste.

Assemble

  1. Spread the mixture on thin slices of buttered bread.

  2. If desired, substitute chopped cress for the onion.

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. Egg + breadtop 13% of all pairs
    Smell alikemoderate
    Cooked together22,662 recipes

    Shared aroma: (e)-2-octenal (fatty, green).

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

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

  3. Onion + eggtop 34% of all pairs
    Smell alikelow
    Cooked together23,333 recipes

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

Onion and egg barely smell alike, yet cooks put them together in 23,333 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

Hard-boiled eggs
Provide the main body and creamy texture of the filling.
Salad dressing
Adds moisture and binds the chopped eggs and onion into a spreadable paste.
Onion
Adds sharp, aromatic flavor that balances the richness of the eggs.

The step that matters

Mixing the filling to a paste. Chopping the eggs and onion finely and mixing them thoroughly with the dressing lets the dressing coat every piece evenly, so the filling holds together and spreads smoothly instead of falling apart or leaving dry lumps.

Swap the onion

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

  1. Asparagusfits better
  2. Leekfits better
  3. Shallotfits better
  4. Onionthe original

Fit is the average pairing score against egg, 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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