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Brown Bread Sandwiches

A sandwich of brown bread with butter, watercress, sliced hard‑boiled egg, salt, and parsley garnish.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Watercress and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 469 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Brown Bread Sandwiches

Ingredients

Directions

Prepare

  1. Spread butter on one side of each slice of brown bread.

  2. Place fresh watercress leaves on one slice of bread.

  3. Slice the hard-boiled egg thinly and layer it on top of the watercress.

  4. Sprinkle a little salt over the egg.

  5. Top with the second slice of bread, buttered side down.

Cut and serve

  1. Cut the sandwich into strips about 1 inch wide.

  2. Arrange on a dish and garnish with parsley.

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. Watercress + parsleytop 2% of all pairs
    Smell alikestrong
    Cooked together469 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Bread + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

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

  3. Bread + eggtop 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

Brown bread
Provides the structure that holds the filling together.
Butter
Adds fat and richness and keeps the bread from soaking up moisture from the filling.
Fresh watercress
Adds a peppery flavour and a crisp, fresh texture.
Hard-boiled egg
Supplies the creamy, savoury filling that gives the sandwich its substance.

Swap the parsley

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

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

Fit is the average pairing score against bread, butter, watercress, egg. 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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