Why it works: Cream and butter 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
Make the rarebit
In a saucepan, combine the cheese, beaten eggs, mustard, cream, cayenne pepper, butter, and salt.
Cook over low heat, stirring constantly until the cheese melts and the mixture is smooth.
Serve
Serve hot over toasted bread.
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.
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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Cheese + buttertop 8% of all pairsSmell alikemoderateCooked together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cheese + mustardtop 11% of all pairsSmell alikemoderateCooked together1,805 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cheese + creamtop 15% of all pairsSmell alikemoderateCooked 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 to provide the main flavour and body of the rarebit.
- Eggs
- Thicken the sauce as they set gently with heat, giving it a creamy body.
- Cream
- Adds moisture and richness, helping the cheese melt into a smooth sauce.
- Mustard
- Adds sharpness that balances the richness of the cheese and eggs.
The step that matters
Cooking the cheese sauce over low heat. High heat can make the cheese turn grainy or oily and can scramble the eggs. Gentle heat with constant stirring lets the cheese melt evenly and the egg proteins thicken the sauce smoothly.
Swap the mustard
How well each one fits the dish's main ingredients (cheese, egg, cream, pepper, butter):
- Potatofits better
- Capsicumfits about as well
- Asparagusfits about as well
- Mustardthe original
Fit is the average pairing score against cheese, egg, cream, 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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