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Welsh Rarebit

A savory cheese mixture served on toasted crackers.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Bread and butter 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

Make the mixture

  1. Pour boiling water over bread crumbs to soften them.

  2. Stir well and add cheese, eggs, salt, pepper, and mustard mixed with 1 tablespoon water.

  3. Butter a chafing dish and pour in the mixture.

Cook and serve

  1. Set over low heat and stir until creamy.

  2. Add 1 tablespoon butter and serve on toasted crackers.

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

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

  4. Pepper + mustardtop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

  5. Cheese + mustardtop 11% of all pairs
    Smell alikemoderate
    Cooked together1,805 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 to give it a rich, creamy body and savory flavor.
Eggs
Bind the mixture and thicken it as they gently set during stirring.
Bread crumbs
Absorb liquid and add body, helping the mixture hold together and turn creamy.
Mustard
Adds sharp, tangy flavor that balances the richness of the cheese and eggs.
Worcestershire sauce
Adds savory, tangy depth that rounds out the cheese flavor.

The step that matters

Stir over low heat until creamy. Eggs set quickly when overheated and can turn grainy or curdle, so gentle low heat and constant stirring keep the mixture smooth.

Swap the mustard

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

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

Fit is the average pairing score against cheese, sauce, bread, egg, pepper, 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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