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Egg and Tomato Sandwiches

A sandwich made with boiled eggs and sautéed tomatoes seasoned with pepper and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Tomato and pepper are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,923 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Egg and Tomato Sandwiches

Ingredients

Directions

Prepare the tomatoes

  1. Slice the tomatoes.

  2. Melt the butter in a saucepan.

  3. Add the tomatoes, pepper, and salt; simmer for 10 minutes, mashing well with a wooden spoon.

  4. Set aside to cool.

Make the filling

  1. Beat the eggs and mix with the cooled tomatoes.

  2. Stir the mixture over low heat until set, then let it cool.

Assemble

  1. Make into sandwiches as usual.

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. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

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

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

    Shared aroma: decanal (soap, orange peel).

  3. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  4. Tomato + buttertop 22% of all pairs
    Smell alikemoderate
    Cooked together6,918 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  5. Egg + peppertop 33% of all pairs
    Smell alikelow
    Cooked together50,580 recipes

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

Egg and pepper barely smell alike, yet cooks put them together in 50,580 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

Eggs
Set into a soft, cohesive filling when gently heated, binding the tomatoes together.
Tomatoes
Provide moisture, acidity, and a fresh, bright flavour to the filling.
Butter
Adds richness and carries flavour when the tomatoes are cooked in it.

The step that matters

Stir the egg and tomato mixture over low heat until set. Egg proteins set at moderate temperatures and can curdle or turn rubbery if overheated. Low heat and steady stirring give a smooth, tender filling.

Swap the tomato

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

  1. Capsicumfits better
  2. Asparagusfits better
  3. Chivefits better
  4. Tomatothe original

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