Why it works: Parmesan cheese and butter are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 4,163 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓
Poached Eggs Mornay
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.
Coat the eggs with Mornay sauce.
Sprinkle with grated Parmesan cheese mixed with fine bread crumbs.
Carefully transfer the eggs to pieces of toast fried in butter.
Arrange the eggs in a circle on a dish.
Sprinkle each egg with a few drops of melted butter.
Set to glaze quickly in a 400°F (200°C) oven.
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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Parmesan cheese + buttertop 9% of all pairsSmell alikemoderateCooked together4,163 recipes
Shared aroma: guaiacol (smoky, sweet).
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Sauce + buttertop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Egg + parmesan cheesetop 18% of all pairsSmell alikemoderateCooked together3,368 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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Sauce + parmesan cheesetop 19% of all pairsSmell alikelowCooked together1,294 recipes
Shared aroma: decanoic acid (soapy, waxy).
Sauce and butter barely smell alike, yet cooks put them together in 15,338 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
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