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Welsh Rarebit

A cheese and butter mixture with sweet cream, egg, mustard, pepper, and salt, served on saltines or toasted bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Welsh Rarebit

Ingredients

Directions

Melt the cheese

  1. In a double boiler, combine the grated cheese, butter, and sweet cream.

  2. Cook until the cheese is melted.

Finish and serve

  1. Stir in the beaten egg, mustard, pepper, and salt.

  2. Serve the mixture on saltines or toasted bread.

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 + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

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

  2. Cheese + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together2,130 recipes

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

  3. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

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

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

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

Cheese
Melts into the sauce and provides the main body and rich flavor.
Butter
Adds fat that keeps the melted cheese smooth and glossy.
Sweet cream
Adds moisture so the cheese melts into a pourable, smooth sauce.
Egg
Thickens the sauce as its proteins set with gentle heat.

The step that matters

Stir in the beaten egg over gentle heat. Egg proteins set at higher temperatures and can curdle or scramble, so keep the double boiler gentle and stir constantly while adding the egg for a smooth sauce.

Swap the mustard

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

  1. Potatofits better
  2. Asparagusfits better
  3. Capsicumfits better
  4. Mustardthe original

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