Why it works: Apple and butter are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 8,706 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Apple Pie
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the apples
Peel, core, and quarter the apples, then place them in a deep dish.
Make the syrup
Boil the apple cores and peels in sugar and water.
Strain the liquid and mix it with a tablespoon of fresh butter.
Bake and serve
Cover the apples with pie crust and bake at 400°F (200°C) until golden.
Serve with custard or cream.
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.
-
Apple + buttertop 14% of all pairsSmell alikemoderateCooked together8,706 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
Apple and sugar barely smell alike, yet cooks put them together in 16,478 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
- Apples
- Form the bulk of the filling, softening as they bake into a tender, spoonable fruit layer.
- Sugar
- Adds sweetness and, as it heats, helps the crust and fruit brown.
- Fresh butter
- Adds fat and richness, carrying flavour into the strained syrup.
- Pie crust
- Encloses the apples and browns to a golden, crisp top during baking.
The step that matters
Bake until golden. The crust needs enough heat to brown and set, which happens through Maillard browning and sugar caramelisation. Underbaking leaves the crust pale and soft and the apple filling wet.
Swap the apple
How well each one fits the dish's main ingredients (sugar, butter):
- Vanillafits better
- Figfits about as well
- Peachfits about as well
- Applethe original
Fit is the average pairing score against sugar, butter. 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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