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The Savoury Omelette

A simple omelette made with eggs, butter or oil, salt, and optional onion.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Butter and onion are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 42,912 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

The Savoury Omelette

Ingredients

Directions

Prepare

  1. Use a clean, dry pan with narrow, sloping sides.

  2. Heat the butter or oil until it stops fizzing and turns pale brown.

  3. Mix the eggs gently without beating them.

Cook the omelette

  1. Pour the egg mixture into the hot pan.

  2. Lift the set edges of the omelette to allow the uncooked mixture to flow underneath.

  3. Continue until the omelette is mostly set but still slightly runny on top.

  4. Shake the pan to help the omelette roll over itself.

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

    Shared aroma: decanal (soap, orange peel).

  2. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Egg + oniontop 34% of all pairs
    Smell alikelow
    Cooked together23,333 recipes

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

Egg and onion barely smell alike, yet cooks put them together in 23,333 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 a tender structure when heated, forming the body of the omelette.
Butter or salad oil
Coats the pan so the eggs release cleanly and adds richness and flavour.

The step that matters

Lift the set edges and keep the top slightly runny. Eggs cook quickly once heated. Lifting the set edges lets raw egg flow underneath for even cooking, and stopping while the top is still slightly wet keeps the omelette tender rather than dry and rubbery as proteins tighten with overcooking.

Swap the onion

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

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

Fit is the average pairing score against egg, butter. 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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