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Tomato Sandwich

A sandwich made with sliced tomatoes, mustard, butter, and bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 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 ↓

Tomato Sandwich

Ingredients

Directions

  1. Slice the tomatoes very thin.

  2. Spread mustard and butter on slices of bread.

  3. Place the sliced tomatoes between the mustard-buttered bread slices.

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. Tomato + breadtop 10% of all pairs
    Smell alikemoderate
    Cooked together1,013 recipes

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

  3. Tomato + mustardtop 11% of all pairs
    Smell alikemoderate
    Cooked together2,482 recipes

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

  4. Bread + mustardtop 16% of all pairs
    Smell alikemoderate
    Cooked together1,484 recipes

    Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).

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

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

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

What each ingredient does

Tomatoes
Provide moisture, acidity and the main fresh flavour of the sandwich.
Bread
Gives the sandwich its structure and holds the filling together.
Mustard
Adds sharp, tangy flavour that cuts through the richness of the butter.
Butter
Adds fat and richness, and helps keep the bread from soaking up tomato juice.

The step that matters

Slice the tomatoes very thin. Thin slices give even coverage between the bread and release less juice per bite. Thick slices release more liquid, which can soften the bread and make the sandwich soggy.

Swap the mustard

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

  1. Capsicumfits better
  2. Potatofits better
  3. Asparagusfits better
  4. Mustardthe original

Fit is the average pairing score against tomato, 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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