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 ↓
Lemon Pie
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare the crust
Preheat the oven to 350°F (175°C).
In a bowl, mix flour, lard, salt, and baking powder.
Add cold water gradually until the dough forms.
Roll out the dough and fit it into a pie pan.
Make the filling and bake
In another bowl, combine sugar, butter, milk, corn starch, egg yolks, lemon juice, and lemon rind.
Pour the filling into the prepared crust.
Bake for 30-35 minutes or until set.
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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Milk + corntop 10% of all pairsSmell alikemoderateCooked together6,955 recipes
Shared aroma: hexanal (green, grassy).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + corntop 13% of all pairsSmell alikemoderateCooked together6,165 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Corn + lemontop 13% of all pairsSmell alikemoderateCooked together1,927 recipes
Shared aroma: 2-nonenal (fatty, 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 filling as they set and add richness to the custard.
- Corn starch
- Thickens the lemon filling so it sets into a sliceable custard.
- Lard
- Shortens the dough, keeping it tender and flaky rather than tough.
- Lemon juice
- Adds the sharp acidity that defines the flavour of the filling.
- Sugar
- Sweetens the filling and balances the sourness of the lemon.
The step that matters
Bake until set. Underbaking leaves the egg yolks and cornstarch unset, so the filling runs when cut. Baking until the centre is firm lets the starch gelatinise and the yolks coagulate fully.
Swap the lemon
How well each one fits the dish's main ingredients (flour, sugar, butter, milk, corn, egg):
- Vanillafits better
- Raisinfits better
- Coconutfits better
- Lemonthe original
Fit is the average pairing score against flour, sugar, butter, milk, corn, egg. 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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