Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Cream Pie
Ingredients
Directions
Make the filling
In a saucepan, combine milk, egg yolks, sugar, flour, butter, and salt.
Cook over medium heat, stirring constantly, until the mixture thickens.
Remove from heat and add flavoring of your choice.
Assemble and top
Pour the filling into a pre-baked pie crust.
Whip the egg whites until stiff peaks form and spread them on top of the pie.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter barely smell alike, yet cooks put them together in 124,287 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
What each ingredient does
- Egg yolks
- Thicken the custard and add richness and colour to the filling.
- Flour
- Stabilises the custard so it thickens without becoming runny.
- Sugar
- Sweetens the filling and helps keep the custard smooth.
- Milk
- Forms the liquid base of the custard filling.
- Egg whites
- Whipped to stiff peaks to form the light topping.
The step that matters
Cook the filling until it thickens. Stirring constantly over medium heat keeps the egg yolks and milk from scorching or curdling, while the starch and yolk proteins thicken the custard. Undercooking leaves it runny; overheating can make it grainy.
“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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