Why it works: Butter and milk 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 ↓
Apple Pot-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.
Make the dough
Sift together the flour, baking powder, and salt.
Rub in the cold butter until the mixture resembles coarse crumbs.
Add the milk and mix into a dough similar to tea biscuits.
Assemble and cook
Line a shallow stew pan with the dough, leaving 2 inches from the bottom.
Pour in the sliced apples, sugar, and water.
Wet the sides of the dough and cover with the remaining dough.
Boil for 20 minutes.
Transfer to a 400°F (200°C) oven to cook the apples.
Serve
Once done, remove from the oven and cut the top crust into four equal parts.
Dish the apples and place diamond-shaped pieces of the side and top crust on top.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Apple + milktop 11% of all pairsSmell alikemoderateCooked together4,104 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Apple + buttertop 14% of all pairsSmell alikemoderateCooked together8,706 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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
- Flour
- Forms the dough's structure once mixed with liquid and fat.
- Butter
- Rubbed into flour to make the crust tender and flaky.
- Baking powder
- Releases gas to lift the dough so it rises and turns lighter.
- Apples
- Provide the main filling, softening as they cook in the syrup.
- Sugar
- Sweetens the filling and helps form a syrup with the apples.
- Milk
- Moistens the flour so it binds into a soft, workable dough.
The step that matters
Wet the sides of the dough and cover with the remaining dough. Dampening the edges helps the top and side crusts seal, so the filling's juices stay inside instead of leaking out during cooking.
Swap the apple
How well each one fits the dish's main ingredients (flour, sugar, butter, milk):
- Vanillafits better
- Raisinfits better
- Figfits better
- Applethe original
Fit is the average pairing score against flour, sugar, butter, milk. 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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