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Fondue

A simple cheese fondue made with butter, flour, milk, and grated Parmesan, cooked slowly until creamy.

From an old cookbook · modernised transcription
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Why it works: Butter and milk 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 ↓

Fondue

Ingredients

Directions

Make the base

  1. Melt the butter in an enamelled saucepan.

  2. Stir in the flour until well combined.

  3. Add the hot milk and grated Parmesan cheese.

Thicken and serve

  1. Cook on low heat, stirring constantly, until the mixture thickens to a cream-like consistency.

  2. Avoid boiling to prevent ruining the 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Butter + parmesan cheesetop 9% of all pairs
    Smell alikemoderate
    Cooked together4,163 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Milk + parmesan cheesetop 15% of all pairs
    Smell alikemoderate
    Cooked together1,608 recipes

    Shared aroma: ethyl 2-methylbutyrate (fruity, apple).

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

Butter
Adds fat and richness, and carries flavour into the sauce.
Flour
Thickens the sauce by binding with the melted butter and milk.
Milk
Forms the liquid base and gives the sauce a smooth, creamy texture.
Parmesan cheese
Melts into the sauce to add savoury flavour and body.

The step that matters

Avoid boiling. High heat makes the cheese proteins tighten and fat separate, leaving the fondue grainy and oily. Gentle heat with constant stirring keeps it smooth.

“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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