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Spinach with Egg

A sautéed spinach dish finished with butter, vinegar, pepper, and topped with hard‑boiled egg whites and yolks.

From an old cookbook · modernised transcription
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Why it works: Spinach and pepper are a kitchen classic. They rank in the top 6% of all ingredient pairs, and cooks put them together in 3,400 recipes. Both carry nonanal, which smells fat, citrus. The science ↓

Spinach with Egg

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the spinach

  1. Wash the spinach and discard the coarser stems.

  2. Place the spinach in a saucepan and sprinkle with salt.

  3. Pour boiling water over the spinach, cover, and boil for 2 minutes.

  4. Remove the cover and stir occasionally until tender.

  5. Drain the spinach in a colander and press to remove excess water.

  6. Cut the spinach finely and return it to the saucepan.

Finish and serve

  1. Add butter, pepper, and vinegar, then reheat.

  2. Transfer to a serving dish and top with chopped egg whites and pressed yolks.

  3. Place in a 400°F (200°C) oven for about 2 minutes before serving.

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. Spinach + peppertop 6% of all pairs
    Smell alikemoderate
    Cooked together3,400 recipes

    Shared aroma: nonanal (fat, citrus).

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

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

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

    Shared aroma: decanal (soap, orange peel).

  4. Spinach + vinegartop 20% of all pairs
    Smell alikemoderate
    Cooked together866 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

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

What each ingredient does

Spinach
Forms the bulk of the dish; cooking softens its fibres and pressing removes water so it holds together.
Butter
Adds fat and richness, carrying flavour and giving the spinach a smooth finish.
Hard boiled eggs
Add protein-based texture and a mild richness as chopped whites and pressed yolks on top.
Vinegar
Adds a slight acidity that brightens the flavour of the cooked spinach.

The step that matters

Pressing the spinach dry. Spinach holds a lot of water. If excess water is not pressed out after draining, the dish turns watery and diluted in flavour, and the butter and vinegar cannot coat it well.

Swap the spinach

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

  1. Capsicumfits better
  2. Mustardfits better
  3. Shallotfits about as well
  4. Spinachthe original

Fit is the average pairing score against butter, pepper, vinegar, 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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