Why it works: Bread and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and 27,232 recipes mention both. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Eggs Au Gratin
Ingredients
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 400°F (200°C).
Mix the salt, pepper, cheese, and butter with the bread crumbs.
Make the nests
Beat the white of one egg to a stiff froth, then add the yolk and beat for a moment longer.
Stir the egg mixture into the other ingredients.
Butter a gratin dish or small pie plate and make little nests with the mixture.
Bake and serve
Cook in the oven for 10 minutes.
Break a fresh egg into each nest and return to the oven for 3 minutes.
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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Bread + buttertop 7% of all pairsAroma overlapmoderateMentioned together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Parmesan cheese + buttertop 9% of all pairsAroma overlapmoderateMentioned together4,163 recipes
Shared aroma: guaiacol (smoky, sweet).
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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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Parmesan cheese + peppertop 14% of all pairsAroma overlapmoderateMentioned together5,322 recipes
Shared aroma: ethyl 2-methylbutyrate (fruity, apple).
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Bread + parmesan cheesetop 15% of all pairsAroma overlapmoderateMentioned together577 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Whipped white creates airy structure, while the yolk adds richness and helps bind the nests.
- Grated bread crumbs
- Provide the bulk and body that hold the nests together.
- Butter
- Adds richness and helps the crumb mixture brown in the oven.
- Parmesan cheese
- Adds savoury flavour and helps the top brown.
The step that matters
Folding the whipped white into the mixture. Whipped egg white holds air that gives lightness. Stirring it in too vigorously knocks out that air, so the nests bake dense rather than light.
“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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