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Omelet with Preserved Tunny-fish

A savory omelet folded around diced preserved tuna, onions, and mushrooms, seasoned with salt, parsley, and chives.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Parsley and chive match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 2,150 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Omelet with Preserved Tunny-fish

Ingredients

Directions

Prepare the filling

  1. Drain the oil from the preserved tunny‑fish and cut it into small dice.

  2. In a stewpan, heat olive oil and fry the chopped onions without browning them.

  3. Add the chopped mushrooms and cook until the moisture reduces, then season.

  4. Add the tunny‑fish and remove the pan from the heat.

Make and serve the omelette

  1. In a bowl, beat the eggs and season them with salt, parsley, and chives.

  2. Warm a little oil in an omelet pan, pour in the beaten eggs, and thicken the omelet.

  3. Place the tunny‑fish mixture in the center of the omelet, roll it up, and serve on a warmed dish.

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. Parsley + chivetop 3% of all pairs
    Smell alikestrong
    Cooked together2,150 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Onion + chivetop 3% of all pairs
    Smell alikestrong
    Cooked together1,907 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Olive + parsleytop 6% of all pairs
    Smell alikestrong
    Cooked together9,649 recipes

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

  4. Mushroom + olivetop 7% of all pairs
    Smell alikemoderate
    Cooked together4,571 recipes

    Shared aroma: trans,trans-2,4-nonadienal (fatty, green).

  5. Olive + chivetop 7% of all pairs
    Smell alikestrong
    Cooked together1,633 recipes

    Shared aroma: decanal (soap, orange peel).

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 omelette when heated, holding the filling together.
Preserved tunny-fish
Provides the main protein and savoury flavour of the filling.
Mushrooms
Add earthy flavour and bulk; cooking drives off their moisture so the filling does not run.
Young onions
Add mild aromatic sweetness when softened gently in oil without browning.

The step that matters

Frying the onions without browning them. Browned onions turn bitter and dark, and a gentle fry softens them evenly so they blend into the filling instead of tasting harsh.

Swap the onion

How well each one fits the dish's main ingredients (egg, fish, mushroom, olive, parsley, chive):

  1. Shallotfits better
  2. Spinachfits better
  3. Asparagusfits better
  4. Onionthe original

Fit is the average pairing score against egg, fish, mushroom, olive, parsley, chive. 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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