Why it works: Cheese and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and 2,130 recipes mention both. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Eggs Au Gratin
Ingredients
Directions
The book says “a fierce oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat your oven to 400°F (200°C).
Assemble
Put 1 tablespoon of very hot Mornay sauce into a dish.
Break the eggs into the sauce.
Cover the eggs with more Mornay sauce.
Sprinkle with grated cheese mixed with fine bread crumbs.
Bake
Bake in the preheated oven until golden and set.
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 aroma chemistry they share, and how many recipes mention both.
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Cheese + breadtop 7% of all pairsAroma overlapmoderateMentioned together2,130 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Egg + breadtop 13% of all pairsAroma overlapmoderateMentioned together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Sauce + cheesetop 19% of all pairsAroma overlaplowMentioned together1,987 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Sauce + breadtop 22% of all pairsAroma overlaplowMentioned together4,934 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Egg + cheesetop 28% of all pairsAroma overlapmoderateMentioned together6,253 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Set to a tender structure as they cook, forming the main body of the dish.
- Mornay sauce
- Carries the eggs and keeps them moist while they cook gently in the dish.
- Grated cheese
- Melts and browns on top, adding savoury flavour and a golden crust.
- Fine bread crumbs
- Mixed with the cheese to add texture and help the topping crisp and brown.
The step that matters
Bake until golden and set. Eggs set through gently; overbaking makes the proteins tighten and turn rubbery and dry, so the yolks and sauce should be checked as the topping browns.
“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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