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Watercress Sandwiches

A sandwich made with watercress, hard‑boiled eggs, butter, and lemon juice on stale bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Watercress and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 579 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Watercress Sandwiches

two dozen sandwiches

Ingredients

Directions

Prepare

  1. Wash the watercress and dry it thoroughly, pressing out all moisture.

  2. Remove the stems from the cress and cut it into small pieces.

  3. Slice the stale loaf into thin slices for two dozen sandwiches.

Make the filling

  1. Mix the watercress with the chopped hard-boiled eggs, and season with salt and pepper.

Assemble and cut

  1. Spread butter on each slice of bread, then place the cress mixture between the slices.

  2. Add a slight sprinkling of lemon juice, press down the slices firmly, and cut into small squares, removing the crust.

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 + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together579 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Pepper + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

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

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

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

  4. Watercress + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together983 recipes

    Shared aroma: coumarin (sweet, hay).

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

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

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

What each ingredient does

Watercress
Provides a fresh, peppery flavor and the leafy bulk of the filling.
Hard-boiled eggs
Add body and richness to the filling, binding it softly.
Stale loaf of bread
Forms the sandwich structure; a stale loaf slices cleanly into thin, firm pieces.
Fresh butter
Adds fat and moisture, and keeps the bread from soaking up the filling.
Lemon juice
Adds acidity that brightens the flavor of the cress and eggs.

The step that matters

Dry the watercress thoroughly. Excess water from wet cress soaks into the bread and makes the sandwiches soggy. Pressing out moisture before filling keeps the bread firm and the filling intact.

“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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