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Breakfast

Ego Sandwiches

A sandwich made with boiled eggs, buttered bread, and seasoning.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Bread and butter 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 ↓

Ego Sandwiches

Ingredients

Directions

Cook the eggs

  1. Boil the eggs for 6 minutes.

  2. Place them in cold water until completely cool, then peel.

  3. Trim a little off each end of the eggs and slice them.

Assemble the sandwiches

  1. Spread butter on slices of bread.

  2. Layer the egg slices between the bread, adding salt and white pepper or mustard to taste.

  3. Top with another slice of bread and cut into small square pieces.

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. Bread + buttertop 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. Bread + white peppertop 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

Eggs
Provide the main filling, with set whites and a firm, sliceable texture.
Butter
Adds richness and a fat layer that helps keep the bread from soaking up moisture from the filling.
Bread
Holds the sliced egg in place and gives the sandwich its structure.

The step that matters

Cool the eggs fully in cold water before peeling. Boiling too long or cooling slowly lets sulfur in the white react with iron in the yolk, leaving a grey-green ring and a rubbery texture. Chilling stops the cooking quickly and makes the shells easier to remove.

Swap the white pepper

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

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

Fit is the average pairing score against egg, bread, butter. 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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