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Picnic Sandwiches

A sandwich made with thin slices of cold roast leg of lamb, fresh bread, butter, and thick mint sauce.

From an old cookbook · modernised transcription
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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 ↓

Picnic Sandwiches

Ingredients

Directions

Prepare the filling

  1. Cut thin slices from the roast leg of lamb.

  2. Chop the slices into very small bits.

Assemble the sandwiches

  1. Spread butter on thin slices of fresh bread.

  2. Spread thick mint sauce on corresponding slices.

  3. Put the two slices together to form a sandwich.

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. Lamb + minttop 12% of all pairs
    Smell alikelow
    Cooked together772 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  3. Lamb + breadtop 14% of all pairs
    Smell alikemoderate
    Cooked together598 recipes

    Shared aroma: 2-undecenal (sweet).

  4. Butter + saucetop 15% of all pairs
    Smell alikelow
    Cooked together15,338 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Bread + minttop 17% of all pairs
    Smell alikemoderate
    Cooked together244 recipes

    Shared aroma: 2,4-decadienal (seaweed).

Butter and sauce barely smell alike, yet cooks put them together in 15,338 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

Tender, cold roast leg of lamb
Provides the savoury meat filling that forms the bulk of each sandwich.
Fresh bread
Gives structure and holds the filling together in the sandwich.
Butter
Adds richness and a fat layer that helps limit moisture soaking into the bread.
Thick mint sauce
Adds acidity, sweetness and bright mint aroma that contrast with the rich lamb.

Swap the mint

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

  1. Capersfits better
  2. Parsleyfits better
  3. Garlicfits better
  4. Mintthe original

Fit is the average pairing score against lamb, bread, butter, sauce. 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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