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Egg and Cheese Fondu

A quick egg and cheese fondue served on hot buttered toast.

From an old cookbook · modernised transcription
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Why it works: Cheese and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 7,962 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Egg and Cheese Fondu

Ingredients

Directions

Prepare the egg mixture

  1. Whip the egg in a bowl.

  2. Add 1 teaspoon of water to the egg.

  3. Mix in the grated cheese, mustard, pepper, and salt.

Cook and serve

  1. Heat the butter in a frying pan over medium heat.

  2. Stir in the egg and cheese mixture until it becomes smooth and thick.

  3. Serve on hot buttered toast.

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. Cheese + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

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

  2. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

  3. Cheese + mustardtop 11% of all pairs
    Smell alikemoderate
    Cooked together1,805 recipes

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

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

    Shared aroma: decanal (soap, orange peel).

  5. Cheese + peppertop 18% of all pairs
    Smell alikemoderate
    Cooked together7,861 recipes

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

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

What each ingredient does

Egg
Sets and thickens the mixture as it cooks, giving the fondue its body.
Grated cheese
Melts into the egg to add richness, flavour and a smooth, creamy texture.
Butter
Adds fat for richness and helps the mixture cook smoothly in the pan.

The step that matters

Stir in the egg and cheese mixture until it becomes smooth and thick. Egg proteins set with gentle heat and can scramble if the heat is too high or the mixture is left unstirred. Constant, gentle stirring keeps it smooth and creamy.

Swap the mustard

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

  1. Capsicumfits better
  2. Asparagusfits about as well
  3. Potatofits about as well
  4. Mustardthe original

Fit is the average pairing score against egg, cheese, butter, pepper. 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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