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Welsh Rarebit

A hot cheese mixture of cheese, butter, egg, cream, salt, cayenne pepper, and dry mustard served on crackers.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Welsh Rarebit

Ingredients

Directions

Prepare

  1. Mince the cheese.

  2. In a chafing dish, combine the cheese, butter, egg, cream, salt, cayenne pepper, and dry mustard.

Cook and serve

  1. Stir continually until the mixture is smooth and thick like cream.

  2. Serve immediately on hot buttered 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. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

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

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

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

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

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

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

  5. Cheese + creamtop 15% of all pairs
    Smell alikemoderate
    Cooked together2,655 recipes

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

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 flavor and body of the rarebit.
Egg
Helps thicken and bind the cheese mixture as it heats.
Cream
Adds moisture and smoothness, loosening the melted cheese.
Butter
Adds fat for a smooth, rich texture and mouthfeel.
Dry mustard
Adds sharp aroma that balances the richness of the cheese.

The step that matters

Stir continually until smooth. Cheese proteins can seize and turn grainy or stringy if overheated or left unstirred. Constant stirring over gentle heat keeps the emulsion smooth while the egg sets lightly and thickens the sauce.

Swap the mustard

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

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

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