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Traveling Lunch

Contains raw eggs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Mustard and vinegar are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Traveling Lunch

Ingredients

Directions

  1. Chop sardines, ham, and pickles finely.

  2. Mix with mustard, pepper, catsup, coarse sea salt, and vinegar.

  3. Spread the mixture between slices of nicely buttered bread.

  4. Cut the sandwich crosswise, like jelly cake.

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

    Shared aroma: isobutyraldehyde (malty, green).

  2. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

  3. Pepper + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Ham + mustardtop 14% of all pairs
    Smell alikelow
    Cooked together747 recipes

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

  5. Ham + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together5,475 recipes

    Shared aroma: trans-2-decenal (waxy, orange).

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

Swap the mustard

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

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

Fit is the average pairing score against ham, pepper, vinegar, butter, egg. Candidates are from the same food group and used in at least 100 recipes.

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