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Omelet Au Rhum

A rum-flavored omelet with oysters, finished with powdered sugar and flambéed.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Cream and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Omelet Au Rhum

Ingredients

Directions

Make the sauce

  1. Melt the butter in a pan and mix in the flour to thicken.

  2. Season with salt and cayenne, whisking to a cream.

  3. Add the chopped oysters and simmer until the sauce thickens.

Cook the omelet

  1. Beat the eggs lightly and mix in the cream.

  2. Pour the egg mixture into a hot pan and cook until lightly golden.

  3. Before fully folding the omelet, add the oysters and some sauce inside.

  4. Fold the omelet and transfer it to a hot dish.

  5. Pour the remaining sauce around the omelet.

Finish and serve

  1. Dust powdered sugar over the omelet and singe it with a hot iron rod.

  2. Pour warmed rum around the omelet, ignite it, and serve after extinguishing the flame.

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. Cream + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  2. Cream + sugartop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  3. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Walnut + flourtop 12% of all pairs
    Smell alikemoderate
    Cooked together5,873 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + oystertop 12% of all pairs
    Smell alikemoderate
    Cooked together8,184 recipes

    Shared aroma: 2,6-nonadienal (cucumber, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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 structure of the omelet as they cook, holding the filling together.
Flour
Thickens the butter and sauce, giving it body so it clings to the oysters.
Cream
Adds richness and moisture, producing a softer, more tender omelet.
Oysters
Provide the savory filling and flavor that the sauce carries through the omelet.
Jamaica rum
Ignited at the end to add aroma and a flamed, caramelized flavor.

The step that matters

Simmer the sauce until it thickens. Flour only thickens when the mixture is heated enough for its starch to swell. If the sauce is undercooked, it stays thin and runs off the omelet instead of coating the filling.

Swap the walnut

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

  1. Almondfits better
  2. Chestnutfits about as well
  3. Pistachiofits about as well
  4. Walnutthe original

Fit is the average pairing score against egg, cream, butter, flour, pepper, oyster, sugar. 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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