Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Lemon Pie
Ingredients
Directions
Prepare the filling
Grate the rind of the lemon and squeeze out the pulp and juice.
In a stew pan, combine the lemon juice, grated rind, egg yolks, sugar, butter, and water.
Bring the mixture to a boil, then stir in the corn starch that has been wet with cream.
Assemble and bake
Pre‑bake the pie crust, then pour in the filling.
Beat the egg whites with a little powdered sugar until stiff peaks form, then spread over the top of the pie.
Bake in the oven until the top is lightly 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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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Walnut + corntop 9% of all pairsSmell alikestrongCooked together349 recipes
Shared aroma: 2-nonenal (fatty, green).
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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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Lemon + walnuttop 10% of all pairsSmell alikestrongCooked together2,149 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + corntop 13% of all pairsSmell alikemoderateCooked together1,927 recipes
Shared aroma: 2-nonenal (fatty, green).
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 and add richness and a smooth custard texture.
- Corn starch
- Thickens the lemon mixture into a sliceable filling as it heats.
- Lemon
- Provides the sharp acidity and bright lemon flavor of the filling.
- Egg whites
- Whipped into a stiff meringue that forms the light topping and browns in the oven.
- Sugar
- Sweetens the filling and balances the acidity of the lemon.
The step that matters
Stirring in the corn starch. Corn starch must be fully dispersed, which is why it is wetted with cream first. Added dry, it clumps and leaves lumps, and the filling will not thicken evenly. Keep the mixture boiling while stirring so the starch gelatinizes fully and sets the filling.
Swap the lemon
How well each one fits the dish's main ingredients (egg, sugar, butter, walnut, corn, cream):
- Vanillafits better
- Coconutfits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against egg, sugar, butter, walnut, corn, 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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