Why it works: Corn and milk are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 6,955 recipes. Both carry hexanal, which smells green, grassy. 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.
Make the filling
Boil corn starch in water until thickened.
In a bowl, mix the lemon juice, lemon rind, sugar, and egg yolks.
Thicken the milk with the corn starch mixture and bring to a boil.
Stir the hot milk into the lemon mixture and pour into the pie crust.
Top and bake
Beat the egg whites with sugar until frothy, then spread over the pie.
Bake in a preheated oven at 350°F (175°C) 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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Corn + milktop 10% of all pairsSmell alikemoderateCooked together6,955 recipes
Shared aroma: hexanal (green, grassy).
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Corn + lemontop 13% of all pairsSmell alikemoderateCooked together1,927 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + milktop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Egg + milktop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon 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
- Corn starch
- Thickens the milk and lemon mixture so the filling sets into a sliceable custard.
- Egg yolks
- Add richness and help thicken the lemon custard as it cooks.
- Egg whites
- Whipped with sugar to form a foam that bakes into a light, browned topping.
- Lemon juice
- Provides the sharp acidity that balances the sweetness of the filling.
- Milk
- Forms the body of the custard, adding creaminess and softness.
- Sugar
- Sweetens the filling and helps stabilise the whipped egg white topping.
The step that matters
Thicken the milk with the corn starch mixture and bring to a boil. Corn starch only thickens fully when it reaches a boil, and the hot starch mixture must be stirred into the milk smoothly to avoid lumps. Boiling is needed so the starch granules swell and set the filling.
Swap the lemon
How well each one fits the dish's main ingredients (corn, egg, sugar, milk):
- Vanillafits better
- Coconutfits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against corn, egg, sugar, 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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