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Egg Sandwiches

A sandwich made with mashed hard‑boiled eggs, butter, salt, pepper, mayonnaise, and bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Egg Sandwiches

Ingredients

Directions

Make the filling

  1. Rub the yolks of the hard boiled eggs to a paste.

  2. Mix in the melted butter, salt, and white pepper.

Assemble and serve

  1. Spread a light layer of mayonnaise dressing on the bread.

  2. Spread the egg mixture between the slices of bread.

  3. Cut and serve for lunch.

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. Butter + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

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

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

  3. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Egg + white peppertop 21% of all pairs
    Smell alikelow
    Cooked together2,312 recipes

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

  5. White pepper + breadtop 27% of all pairs
    Smell alikelow
    Cooked together925 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

What each ingredient does

Hard boiled eggs
Yolks mash into a paste that forms the body of the sandwich filling.
Melted butter
Adds fat and richness, making the mashed yolk filling smoother and moister.
Mayonnaise dressing
Adds moisture and tang, and keeps the bread from soaking up the filling.

Swap the white pepper

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

  1. Nutmegfits better
  2. Parsleyfits better
  3. Capersfits better
  4. White pepperthe original

Fit is the average pairing score against egg, butter, 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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