Why it works: Cheese and butter match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 7,955 recipes mention both. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
The recipe
Ingredients
Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
The book says “a fairly sharp oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the mixture
Preheat the oven to 400°F (200°C).
Separate the yolks from the whites of the eggs.
In a bowl, stir the yolks, adding a tiny pinch of salt and cayenne pepper.
Beat the cream until stiff, then mix it alternately with the grated cheese into the yolks.
Whisk the egg whites to a stiff froth and carefully fold them into the mixture.
Fill and bake
Butter the shells and fill them three-quarters full with the preparation.
Sprinkle breadcrumbs on top and add a few drops of melted butter.
Place the shells on a baking sheet and bake for about 18 minutes.
Serve quickly on small cheese plates or on a large dish.
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 3% of all pairsAroma overlapstrongMentioned together7,955 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Cream + buttertop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Cream + cheesetop 7% of all pairsAroma overlapmoderateMentioned together2,649 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Egg + buttertop 8% of all pairsAroma overlapstrongMentioned together118,511 recipes
Shared aroma: nonanal (fat, citrus).
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Cheese + peppertop 9% of all pairsAroma overlapstrongMentioned 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
- Yolks enrich the custard and whites, whipped to a froth, lighten it and give it structure.
- Cream
- Whipped until stiff, it adds richness and a light, moist texture to the filling.
- Gruyère cheese
- Melts into the mixture, adding savoury flavour and helping it set as it bakes.
- Brown breadcrumbs
- Sprinkled on top, they toast in the oven to add a golden, crisp finish.
The step that matters
Folding in the egg whites. Whites hold air only when whipped to a stiff froth, and deflating them by stirring rather than folding loses the lift that keeps the filling light and puffed in the oven.
“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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