Name: Welsh Rarebit
Ingredients: ½ cup milk; Pinch of salt; Cayenne pepper to taste; Toasted bread; Cheese (amount not specified); Eggs (amount not specified)

Why it works: Bread and cheese are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,130 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Welsh Rarebit

Ingredients

Directions

Heat the milk in a saucepan.
Once hot, add the cheese and stir until melted.
When boiling hot, add the eggs and stir well.
Pour the mixture over buttered hot toast and serve immediately.

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.

Bread + cheesetop 7% of all pairs

Smell alikemoderate

Cooked together2,130 recipes

Shared aroma: delta-decalactone (sweet, creamy).
Milk + cheesetop 10% of all pairs

Smell alikemoderate

Cooked together4,426 recipes

Shared aroma: delta-dodecalactone (sweet, creamy).
Milk + breadtop 11% of all pairs

Smell alikemoderate

Cooked together11,466 recipes

Shared aroma: 2-undecenal (sweet).
Bread + eggtop 13% of all pairs

Smell alikemoderate

Cooked together22,662 recipes

Shared aroma: (e)-2-octenal (fatty, green).
Pepper + breadtop 16% of all pairs

Smell alikemoderate

Cooked together20,964 recipes

Shared aroma: 2-nonenal (fatty, green).