Why it works: Cheese and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and 7,962 recipes mention both. Both carry delta-dodecalactone, 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.
Poach the eggs
Boil water in a pan and add vinegar and a little salt.
Use an egg poacher or break the eggs into the water.
Cook slowly until the eggs are set.
Carefully lift the eggs and place them on rounds of buttered toast.
Brown and serve
Sprinkle each egg with grated cheese and brown quickly in a 400°F (200°C) oven.
Serve hot.
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 + buttertop 8% of all pairsAroma overlapmoderateMentioned together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Vinegar + cheesetop 12% of all pairsAroma overlapmoderateMentioned together922 recipes
Shared aroma: 3-methylbutanol (malty, whiskey).
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Vinegar + peppertop 14% of all pairsAroma overlapmoderateMentioned together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Egg + buttertop 17% of all pairsAroma overlapmoderateMentioned together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Cheese + peppertop 18% of all pairsAroma overlapmoderateMentioned together7,861 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Set to a soft, tender structure that forms the main body of the dish.
- Grated cheese
- Melts and browns under the oven heat, adding savoury flavour and a golden crust.
- Butter
- Enriches the buttered toast base and helps it brown and taste rich.
- Vinegar
- Acidifies the poaching water, helping the egg whites set into a neat shape.
The step that matters
Cook slowly until the eggs are set. Gentle simmering keeps the egg whites coagulating evenly around the yolks. Boiling vigorously tears the whites apart and leaves ragged, spread-out eggs.
“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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