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Cheese Sandwiches

A sandwich made with a mixture of egg yolk, cheese, mustard, and seasonings spread on buttered white bread.

From an old cookbook · modernised transcription
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Why it works: Butter and bread 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 ↓

Cheese Sandwiches

Ingredients

Directions

  1. Mash the yolk of the egg in a bowl.

  2. Add melted butter and mix until smooth.

  3. Stir in salt, sugar, pepper, mustard, and cheese, mixing well.

  4. Add vinegar to achieve the desired thickness.

  5. Spread the mixture on buttered slices of white bread.

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

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

  2. Cheese + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together2,130 recipes

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

  3. Mustard + vinegartop 7% of all pairs
    Smell alikemoderate
    Cooked together14,067 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Cheese + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

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

  5. Pepper + mustardtop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

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

What each ingredient does

Egg yolk
Adds richness and body, helping the filling hold together as a spread.
Grated cheese
Provides the main flavour and makes the filling thick and savoury.
Melted butter
Adds fat that makes the filling smooth and spreadable.
Vinegar
Adds acidity that sharpens the flavour and loosens the thickness.

The step that matters

Add vinegar to achieve the desired thickness. Vinegar is added a little at a time because too much thins the mixture past the point of spreading well. Adding it gradually lets the cook stop once the texture is right.

Swap the mustard

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

  1. Capsicumfits about as well
  2. Mustardthe original
  3. Asparagusfits less well
  4. Tomatofits less well

Fit is the average pairing score against egg, cheese, pepper, sugar, butter, vinegar, 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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