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Picnic Eggs

Picnic Eggs are hard‑boiled eggs filled with a seasoned yolk mixture and served in a jar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pepper and vinegar are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 27,814 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Picnic Eggs

Ingredients

Directions

Prepare the eggs

  1. Boil the eggs hard, then shell them.

  2. Cut the eggs in half and remove the yolks.

Fill and pack

  1. Mash the yolks and mix in the vinegar, meat, and catsup.

  2. Fill the egg whites with the yolk mixture and pin the halves together with a toothpick.

  3. Place in a glass jar to carry to a picnic.

Serve

  1. Serve as soon as the acid discolors the whites, within a few hours.

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

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

  2. Pepper + meattop 19% of all pairs
    Smell alikelow
    Cooked together8,777 recipes

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

  3. Meat + saucetop 22% of all pairs
    Smell alikelow
    Cooked together2,167 recipes
  4. Egg + meattop 22% of all pairs
    Smell alikemoderate
    Cooked together6,432 recipes

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

  5. Vinegar + saucetop 26% of all pairs
    Smell alikelow
    Cooked together3,844 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

What each ingredient does

Eggs
Provide the whites that hold the filling and the mashed yolks that form the filling.
Vinegar
Adds acidity that sharpens the flavour of the yolk filling.
Meat
Adds savoury body and richness to the mashed yolk filling.
Catsup
Adds sweetness, acidity and moisture to the yolk filling.

The step that matters

Serve as soon as the acid discolors the whites, within a few hours.. The vinegar in the filling is acidic and can slowly discolour the egg whites and change their texture if the eggs sit too long. Serving within a few hours keeps the whites looking and tasting fresh.

“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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