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Plain Omelet

A simple omelet made with eggs, water, lemon juice, butter, nutmeg, salt, and optional parsley.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Lemon and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Plain Omelet

Ingredients

Directions

Prepare

  1. Use a steel spider or a non-stick frying pan.

  2. Heat the butter slowly in the pan until hot but not browned.

  3. In a bowl, break the eggs and beat just enough to mix the whites and yolks.

  4. Add the warm water, lemon juice, and season with salt and nutmeg.

Cook and serve

  1. Pour the egg mixture into the hot pan all at once.

  2. Let it set for a moment, then loosen the edges with a spatula, allowing uncooked egg to flow underneath.

  3. Continue until the omelet is mostly set.

  4. Sprinkle the chopped parsley over the top.

  5. Fold one-third of the omelet over, then fold it again as you slide it onto a plate.

  6. Serve immediately.

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. Lemon + parsleytop 1% of all pairs
    Smell alikestrong
    Cooked together14,037 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  2. Nutmeg + parsleytop 3% of all pairs
    Smell alikestrong
    Cooked together5,062 recipes

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

  3. Lemon + nutmegtop 5% of all pairs
    Smell alikestrong
    Cooked together11,318 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  4. Butter + parsleytop 15% of all pairs
    Smell alikemoderate
    Cooked together28,563 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

  5. Butter + nutmegtop 16% of all pairs
    Smell alikemoderate
    Cooked together24,377 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

What each ingredient does

Eggs
Set into the structure of the omelet as they cook, forming its body.
Butter
Adds richness and helps keep the egg from sticking to the pan.
Warm water
Adds moisture, keeping the omelet tender rather than dry.
Lemon juice
Adds a touch of acidity that brightens the flavor of the eggs.

The step that matters

Pour the egg mixture into the hot pan all at once. Eggs poured into a hot pan set quickly, giving a tender, even layer; a cool pan lets them stick and cook unevenly. Stirring too early also breaks up the curds, so let the edges set before loosening.

Swap the parsley

The recipe marks parsley as optional. How well each one fits the dish's main ingredients (egg, lemon, butter, nutmeg):

  1. Cinnamonfits about as well
  2. Parsleythe original
  3. Tarragonfits less well
  4. Cardamomfits less well

Fit is the average pairing score against egg, lemon, butter, nutmeg. 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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