Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Blackberry Pie
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the filling
Mix flour with sugar, then add blackberry juice, cream, and beaten egg yolks.
Line a deep dish with thinly rolled pastry.
Bake
Fill the pastry with the mixture and bake at 400°F (200°C) until the crust is set.
Continue baking at 300°F (150°C) until the filling is thick and firm.
Beat the egg whites with a pinch of salt until stiff, then spread on top and bake until browned.
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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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Blackberry + flourtop 16% of all pairsSmell alikemoderateCooked together530 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Blackberry + creamtop 19% of all pairsSmell alikelowCooked together264 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
Flour and egg barely smell alike, yet cooks put them together in 106,462 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
- Flour
- Thickens the filling as it heats, giving it a firm, sliceable body.
- Eggs
- Egg yolks thicken the filling while the whites whip into a stiff, browned topping.
- Cream
- Adds richness and moisture, producing a softer, silkier filling.
- Sugar
- Sweetens the filling and helps it set with the egg proteins.
- Blackberry juice
- Provides the main fruit flavour, colour and liquid for the filling.
The step that matters
Continue baking at 300°F (150°C) until the filling is thick and firm.. Egg proteins set gradually as the filling heats. Baking too hot can curdle or puff the custard and leave it weeping, so the lower temperature lets it set smoothly.
Swap the blackberry
How well each one fits the dish's main ingredients (flour, sugar, egg, cream):
- Raisinfits better
- Vanillafits better
- Figfits about as well
- Blackberrythe original
Fit is the average pairing score against flour, sugar, egg, cream. Candidates are from the same food group and used in at least 100 recipes.
“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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