Why it works: Lemon and butter are a kitchen classic. They rank in the top 16% of all ingredient pairs, and cooks put them together in 41,227 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Lemon Pie
three piesIngredients
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.
Make the filling
Grate the peel of the lemons and squeeze the juice into a bowl.
Add the sugar, melted butter, and egg yolks to the bowl and mix well.
Pour the mixture into pie crusts for three pies.
Make the meringue and bake
Beat the egg whites until soft peaks form.
Gradually add the powdered sugar while continuing to beat until stiff peaks form.
Spread the meringue over the pies and bake in a 350°F (175°C) oven until the meringue is 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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Lemon + buttertop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + eggtop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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
- Add richness and thicken the lemon filling as it sets.
- Egg whites
- Whipped into a foam that forms the meringue topping.
- Sugar
- Sweetens the filling and helps stabilise the whipped egg whites.
- Lemons
- Provide the acidity and aroma of the filling.
- Butter
- Adds fat for a smooth, rich texture in the filling.
The step that matters
Beating the meringue to stiff peaks. Egg whites need to be whipped until they hold stiff peaks so the meringue stays airy and sets properly. Adding powdered sugar gradually helps keep the foam stable; under-beaten or greasy whites will collapse or weep in the oven.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, butter, egg):
- Vanillafits better
- Lemonthe original
- Raisinfits about as well
- Figfits about as well
Fit is the average pairing score against sugar, butter, 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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