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Kidney or Mushroom Omelets

A savory omelet made with eggs, milk, cayenne pepper, salt, white pepper, butter, and either sliced kidneys or mushrooms.

From an old cookbook · modernised transcription
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Kidney or Mushroom Omelets

Ingredients

Directions

Prepare the filling

  1. Beat the eggs, cayenne pepper, salt, and milk together.

  2. Broil the kidneys slightly.

  3. Season the kidneys with white pepper and salt.

  4. Cut the kidneys into small pieces.

  5. Add the kidney pieces to the egg mixture.

Cook and serve

  1. Melt the butter in an omelet pan over gentle heat.

  2. Pour the egg mixture into the pan.

  3. Stir the mixture quickly until it begins to set.

  4. Keep the omelet at a distance from the fire until firm.

  5. Fold the omelet over.

  6. Place the omelet on a hot dish.

  7. Pour the kidney gravy around it.

  8. 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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Mushroom + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together12,525 recipes

    Shared aroma: trans-2-decenal (waxy, orange).

  3. Pepper + mushroomtop 11% of all pairs
    Smell alikemoderate
    Cooked together13,580 recipes

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

  4. Milk + mushroomtop 12% of all pairs
    Smell alikemoderate
    Cooked together2,231 recipes

    Shared aroma: 1-hexanal (fruit).

  5. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 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 a structure that holds the omelet together when cooked.
Butter
Adds richness and helps keep the omelet from sticking to the pan.
Sheep's kidneys
Provide the savoury meaty filling that is folded into the omelet.
Milk
Adds moisture and softness to the cooked eggs.

The step that matters

Keep the omelet away from the fire until firm. Egg proteins set with gentle heat. High heat toughens and dries the eggs and can scorch the butter, so the omelet should stay moist and tender.

Swap the white pepper

How well each one fits the dish's main ingredients (egg, pepper, milk, mushroom, butter):

  1. Parsleyfits better
  2. Nutmegfits better
  3. Thymefits better
  4. White pepperthe original

Fit is the average pairing score against egg, pepper, milk, mushroom, 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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