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Delicate Welsh Rarebit

A cheese and egg mixture served over buttered toast.

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 ↓

Delicate Welsh Rarebit

Ingredients

Directions

Make the sauce

  1. Heat the milk in a saucepan and melt the cheese in it.

  2. Break the egg into the mixture and stir rapidly.

  3. Season with coarse sea salt.

Assemble

  1. Spread butter on toast and pour the mixture over it.

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

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

  3. Milk + cheesetop 10% of all pairs
    Smell alikemoderate
    Cooked together4,426 recipes

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

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

    Shared aroma: decanal (soap, orange peel).

  5. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 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

Milk
Forms the liquid base that melts the cheese into a smooth, pourable sauce.
Cheese
Melts into the sauce, providing its main flavor, fat, and body.
Egg
Adds protein that thickens and enriches the sauce as it warms.
Butter
Adds fat and richness to the toast, complementing the sauce.

The step that matters

Stir the egg in rapidly. Egg proteins set when overheated, so the egg can curdle or turn grainy if the mixture is too hot. Keeping the heat moderate and stirring constantly lets the egg blend in and thicken the sauce smoothly.

“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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