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Dressed Eggs

Hard‑boiled eggs filled with a mustard, salt, pepper, and onion‑seasoned yolk mixture.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Mustard and onion match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 9,259 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Dressed Eggs

Ingredients

Directions

Prepare the eggs

  1. Boil the eggs hard and place them in cold water.

  2. Peel the eggs and cut the whites in half lengthwise, placing the halves in pairs on a dish.

Fill the whites

  1. Mash the yolks with a small amount of mustard, then season with salt, pepper, and a little onion.

  2. Form the yolk mixture into small balls and place them in the egg whites, closing them neatly to resemble whole eggs.

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 + oniontop 6% of all pairs
    Smell alikestrong
    Cooked together9,259 recipes

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

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

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

  3. Pepper + oniontop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  4. Egg + mustardtop 28% of all pairs
    Smell alikemoderate
    Cooked together9,210 recipes

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

  5. Egg + peppertop 33% of all pairs
    Smell alikelow
    Cooked together50,580 recipes

    Shared aroma: 2-nonenal (fatty, green).

Egg and pepper barely smell alike, yet cooks put them together in 50,580 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

Eggs
Whites provide the structure, and cooked yolks become the creamy filling.
Mustard
Adds sharp, pungent flavour that cuts through the richness of the yolks.
Onion
Adds a mild sharpness and aroma to the seasoned yolk mixture.

The step that matters

Boiling the eggs hard and cooling them quickly. Eggs must be fully set so the whites hold their shape and the yolks crumble into a smooth mash. Placing them in cold water stops further cooking, which prevents a dull grey ring forming around the yolks and makes the eggs easier to peel.

Swap the onion

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

  1. Horseradishfits better
  2. Lettucefits better
  3. Spinachfits better
  4. Onionthe original

Fit is the average pairing score against egg, mustard, pepper. 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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