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Kidney Omelettes

A fried egg dish with sautéed beef kidney slices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Beef and pepper are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 18,971 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Kidney Omelettes

Ingredients

Directions

Prepare the kidney

  1. Wipe the kidney with a wet towel and cut it into small slices, discarding veins and membranes.

  2. In a frying pan, heat 2 tablespoons of butter and fry the kidney slices quickly.

Make the omelette

  1. In a bowl, beat the eggs with salt and pepper.

  2. In another frying pan, melt 2 tablespoons of butter over medium heat.

  3. Pour in the beaten eggs and cook, breaking the omelette slightly to allow uncooked egg to flow to the bottom.

  4. When the eggs are mostly set, place the cooked kidney in the center, fold the omelette, and serve hot.

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. Beef + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Beef + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together10,847 recipes

    Shared aroma: 2-furfurylthiol (coffee, roasted).

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

    Shared aroma: decanal (soap, orange peel).

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

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

  5. Beef + eggtop 31% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Beef kidney
Provides the savory, meaty filling that gives the omelette its main flavor.
Eggs
Set into the structure of the omelette and bind it around the filling.
Butter
Adds richness and carries flavor while cooking the kidney and eggs without sticking.

The step that matters

Frying the kidney quickly. Kidney turns tough and rubbery when overcooked, because its proteins tighten under prolonged high heat. Brief, hot cooking keeps the slices tender.

“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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