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Lettuce and Mayonnaise Sandwiches

A sandwich with hard‑boiled egg yolk mayonnaise spread over lettuce and bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pepper and lettuce are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 4,037 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Lettuce and Mayonnaise Sandwiches

Ingredients

Directions

Prepare the filling

  1. Season the yolks of the hard-boiled eggs with coarse sea salt and black pepper.

  2. Powder the yolks and mix with enough mayonnaise to create a thin paste.

Assemble and serve

  1. Spread mayonnaise sparingly on slices of bread.

  2. Cover each slice with small leaves from the heart of the lettuce.

  3. Spread the egg mixture over the lettuce.

  4. Serve as soon as possible.

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 + lettucetop 9% of all pairs
    Smell alikemoderate
    Cooked together4,037 recipes

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

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

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

  3. Bread + lettucetop 15% of all pairs
    Smell alikemoderate
    Cooked together602 recipes

    Shared aroma: nonanal (fat, citrus).

  4. Pepper + breadtop 16% of all pairs
    Smell alikemoderate
    Cooked together20,964 recipes

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

  5. Egg + lettucetop 30% of all pairs
    Smell alikelow
    Cooked together3,301 recipes

    Shared aroma: nonanal (fat, citrus).

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

What each ingredient does

Hard-boiled eggs
Yolks form the creamy, rich filling that gives the sandwich its body.
Mayonnaise
Binds the powdered yolks into a spreadable paste and adds moisture and fat.
Slices of bread
Provide the structure that holds the filling and lettuce together.
Lettuce
Adds a crisp, fresh texture that contrasts with the soft egg filling.

The step that matters

Powder the yolks and mix with enough mayonnaise to create a thin paste. Yolks must be crumbled finely so they blend smoothly; lumps stay dry and grainy. Adding mayonnaise gradually lets it coat the particles evenly, giving a spreadable paste rather than a crumbly or greasy one.

Swap the lettuce

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

  1. Capsicumfits better
  2. Asparagusfits better
  3. Spinachfits better
  4. Lettucethe original

Fit is the average pairing score against egg, 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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