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 ↓
Egg and Cheese on Toast
Ingredients
Directions
Prepare the toast
Toast the bread until golden brown, then butter it and keep warm.
Make the eggs
Add salt to the eggs, beat until light, and mix in the milk.
Heat a frying pan until very hot, add a little butter to prevent sticking.
Pour in the beaten eggs and reduce the heat to low.
Stir gently from the bottom until the eggs thicken to a custard consistency, but do not let them separate.
Assemble and serve
Remove from heat immediately and spoon the mixture onto the slices of toast, each moistened with a tablespoon of hot cream.
Grate fresh cheese over the top and garnish with shredded lettuce leaves.
Serve immediately.
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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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Bread + cheesetop 7% of all pairsSmell alikemoderateCooked together2,130 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Butter + creamtop 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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Set into a custard that gives the soft, creamy body of the topping.
- Milk
- Adds moisture and dilutes the eggs, producing a softer, more tender curd.
- White bread
- Provides a crisp, golden base that holds the soft egg mixture.
- Grated cheese
- Adds savoury flavour and richness, and melts slightly into the warm eggs.
- Butter
- Adds richness and flavour, and helps prevent the eggs sticking to the pan.
The step that matters
Stirring the eggs over low heat. Eggs thicken as their proteins set. Over high heat or without gentle stirring they overcook, turn grainy and separate, so the custard stays smooth only when heat is low and stirring is constant from the bottom.
Swap the lettuce
How well each one fits the dish's main ingredients (bread, milk, egg, cheese, butter, cream):
- Potatofits better
- Asparagusfits better
- Capsicumfits better
- Lettucethe original
Fit is the average pairing score against bread, milk, egg, cheese, butter, cream. 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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