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Gherkin and Egg Sandwiches

A sandwich made with boiled eggs, gherkins, butter, salt, cayenne pepper, and parsley.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Gherkin and Egg Sandwiches

Ingredients

Directions

Prepare the filling

  1. Boil the eggs for 15 minutes, then remove the shells and let them cool.

  2. In a mortar, pound the yolks with the butter, salt, and cayenne pepper.

  3. Chop the egg whites and gherkins finely, then mix them into the yolk mixture.

Assemble and serve

  1. Spread the paste between two slices of buttered bread.

  2. Cut the sandwiches into small oblongs or squares, arrange on a folded napkin, garnish with parsley, and serve.

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 + parsleytop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

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

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

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

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

  4. Butter + parsleytop 15% of all pairs
    Smell alikemoderate
    Cooked together28,563 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

  5. Bread + parsleytop 15% of all pairs
    Smell alikemoderate
    Cooked together8,588 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

Eggs
Yolks form a rich, creamy paste that binds the filling, while chopped whites add body.
Fresh butter
Blends with the yolks to make the paste smooth and spreadable, adding richness.
Gherkins
Their acidity cuts through the rich yolk and butter, adding a sharp, tangy contrast.

The step that matters

Pounding the yolks with the butter. Working the yolks and butter together until smooth gives an even, spreadable paste. Lumps left in the yolk or butter will tear the bread and make the filling uneven.

Swap the parsley

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

  1. Parsleythe original
  2. Nutmegfits about as well
  3. Sagefits less well
  4. Tarragonfits less well

Fit is the average pairing score against egg, butter, 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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