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Poached Eggs, Spanish Style

Poached eggs cooked in butter with onion, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Pepper and onion are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Poached Eggs, Spanish Style

Oven, in the book's wordsA moderate oven

Ingredients

Directions

  1. Heat an earthen dish slowly and melt the butter.

  2. Add salt, pepper, and minced onion (or parsley and sweet herbs).

  3. Drop in the eggs one at a time; do not stir.

  4. Let them brown a little, then turn carefully and brown the other side.

  5. Serve in the same dish as hot as possible.

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

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

  2. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

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

  5. Pepper + eggtop 33% of all pairs
    Smell alikelow
    Cooked together50,580 recipes

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

Pepper and egg 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
Set into the main body of the dish, with the whites firming as they cook.
Butter
Melts to form a fat layer that keeps the eggs from sticking and promotes gentle browning.
Onion
Adds aroma and savory flavor as it softens in the butter.

The step that matters

Turning the eggs. Eggs become tough and break apart if handled roughly. Turning them carefully keeps the yolks intact and the whites tender while the underside browns.

Swap the onion

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

  1. Capsicumfits better
  2. Asparagusfits better
  3. Chivefits better
  4. Onionthe original

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